20118829250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7577}}^1$

素因数の和:7669

約数の個数: 128

約数和(自身を含む): 43692929280

約数和(自身を除く): 23574100030

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 43, 50, 65, 86, 95, 125, 130, 190, 215, 247, 250, 325, 430, 475, 494, 559, 650, 817, 950, 1075, 1118, 1235, 1625, 1634, 2150, 2375, 2470, 2795, 3250, 4085, 4750, 5375, 5590, 6175, 7577, 8170, 10621, 10750, 12350, 13975, 15154, 20425, 21242, 27950, 30875, 37885, 40850, 53105, 61750, 69875, 75770, 98501, 102125, 106210, 139750, 143963, 189425, 197002, 204250, 265525, 287926, 325811, 378850, 492505, 531050, 651622, 719815, 947125, 985010, 1327625, 1439630, 1629055, 1871519, 1894250, 2462525, 2655250, 3258110, 3599075, 3743038, 4235543, 4925050, 6190409, 7198150, 8145275, 8471086, 9357595, 12312625, 12380818, 16290550, 17995375, 18715190, 21177715, 24625250, 30952045, 35990750, 40726375, 42355430, 46787975, 61904090, 80475317, 81452750, 93575950, 105888575, 154760225, 160950634, 211777150, 233939875, 309520450, 402376585, 467879750, 529442875, 773801125, 804753170, 1058885750, 1547602250, 2011882925, 4023765850, 10059414625, 20118829250]

約数ペア:

[(1, 20118829250), (2, 10059414625), (5, 4023765850), (10, 2011882925), (13, 1547602250), (19, 1058885750), (25, 804753170), (26, 773801125), (38, 529442875), (43, 467879750), (50, 402376585), (65, 309520450), (86, 233939875), (95, 211777150), (125, 160950634), (130, 154760225), (190, 105888575), (215, 93575950), (247, 81452750), (250, 80475317), (325, 61904090), (430, 46787975), (475, 42355430), (494, 40726375), (559, 35990750), (650, 30952045), (817, 24625250), (950, 21177715), (1075, 18715190), (1118, 17995375), (1235, 16290550), (1625, 12380818), (1634, 12312625), (2150, 9357595), (2375, 8471086), (2470, 8145275), (2795, 7198150), (3250, 6190409), (4085, 4925050), (4750, 4235543), (5375, 3743038), (5590, 3599075), (6175, 3258110), (7577, 2655250), (8170, 2462525), (10621, 1894250), (10750, 1871519), (12350, 1629055), (13975, 1439630), (15154, 1327625), (20425, 985010), (21242, 947125), (27950, 719815), (30875, 651622), (37885, 531050), (40850, 492505), (53105, 378850), (61750, 325811), (69875, 287926), (75770, 265525), (98501, 204250), (102125, 197002), (106210, 189425), (139750, 143963)]