81927400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 198871200

約数和(自身を除く): 116943800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 59, 100, 106, 118, 131, 200, 212, 236, 262, 265, 295, 424, 472, 524, 530, 590, 655, 1048, 1060, 1180, 1310, 1325, 1475, 2120, 2360, 2620, 2650, 2950, 3127, 3275, 5240, 5300, 5900, 6254, 6550, 6943, 7729, 10600, 11800, 12508, 13100, 13886, 15458, 15635, 25016, 26200, 27772, 30916, 31270, 34715, 38645, 55544, 61832, 62540, 69430, 77290, 78175, 125080, 138860, 154580, 156350, 173575, 193225, 277720, 309160, 312700, 347150, 386450, 409637, 625400, 694300, 772900, 819274, 1388600, 1545800, 1638548, 2048185, 3277096, 4096370, 8192740, 10240925, 16385480, 20481850, 40963700, 81927400]

約数ペア:

[(1, 81927400), (2, 40963700), (4, 20481850), (5, 16385480), (8, 10240925), (10, 8192740), (20, 4096370), (25, 3277096), (40, 2048185), (50, 1638548), (53, 1545800), (59, 1388600), (100, 819274), (106, 772900), (118, 694300), (131, 625400), (200, 409637), (212, 386450), (236, 347150), (262, 312700), (265, 309160), (295, 277720), (424, 193225), (472, 173575), (524, 156350), (530, 154580), (590, 138860), (655, 125080), (1048, 78175), (1060, 77290), (1180, 69430), (1310, 62540), (1325, 61832), (1475, 55544), (2120, 38645), (2360, 34715), (2620, 31270), (2650, 30916), (2950, 27772), (3127, 26200), (3275, 25016), (5240, 15635), (5300, 15458), (5900, 13886), (6254, 13100), (6550, 12508), (6943, 11800), (7729, 10600)]