80941900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 207799200

約数和(自身を除く): 126857300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 29, 38, 50, 52, 58, 65, 76, 95, 100, 113, 116, 130, 145, 190, 226, 247, 260, 290, 325, 377, 380, 452, 475, 494, 551, 565, 580, 650, 725, 754, 950, 988, 1102, 1130, 1235, 1300, 1450, 1469, 1508, 1885, 1900, 2147, 2204, 2260, 2470, 2755, 2825, 2900, 2938, 3277, 3770, 4294, 4940, 5510, 5650, 5876, 6175, 6554, 7163, 7345, 7540, 8588, 9425, 10735, 11020, 11300, 12350, 13108, 13775, 14326, 14690, 16385, 18850, 21470, 24700, 27550, 27911, 28652, 29380, 32770, 35815, 36725, 37700, 42601, 42940, 53675, 55100, 55822, 62263, 65540, 71630, 73450, 81925, 85202, 107350, 111644, 124526, 139555, 143260, 146900, 163850, 170404, 179075, 213005, 214700, 249052, 279110, 311315, 327700, 358150, 426010, 558220, 622630, 697775, 716300, 809419, 852020, 1065025, 1245260, 1395550, 1556575, 1618838, 2130050, 2791100, 3113150, 3237676, 4047095, 4260100, 6226300, 8094190, 16188380, 20235475, 40470950, 80941900]

約数ペア:

[(1, 80941900), (2, 40470950), (4, 20235475), (5, 16188380), (10, 8094190), (13, 6226300), (19, 4260100), (20, 4047095), (25, 3237676), (26, 3113150), (29, 2791100), (38, 2130050), (50, 1618838), (52, 1556575), (58, 1395550), (65, 1245260), (76, 1065025), (95, 852020), (100, 809419), (113, 716300), (116, 697775), (130, 622630), (145, 558220), (190, 426010), (226, 358150), (247, 327700), (260, 311315), (290, 279110), (325, 249052), (377, 214700), (380, 213005), (452, 179075), (475, 170404), (494, 163850), (551, 146900), (565, 143260), (580, 139555), (650, 124526), (725, 111644), (754, 107350), (950, 85202), (988, 81925), (1102, 73450), (1130, 71630), (1235, 65540), (1300, 62263), (1450, 55822), (1469, 55100), (1508, 53675), (1885, 42940), (1900, 42601), (2147, 37700), (2204, 36725), (2260, 35815), (2470, 32770), (2755, 29380), (2825, 28652), (2900, 27911), (2938, 27550), (3277, 24700), (3770, 21470), (4294, 18850), (4940, 16385), (5510, 14690), (5650, 14326), (5876, 13775), (6175, 13108), (6554, 12350), (7163, 11300), (7345, 11020), (7540, 10735), (8588, 9425)]