25812791950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{661019}}^1$

素因数の和:661113

約数の個数: 48

約数和(自身を含む): 53114279040

約数和(自身を除く): 27301487090

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 781, 1562, 1775, 3550, 3905, 7810, 19525, 39050, 661019, 1322038, 3305095, 6610190, 7271209, 14542418, 16525475, 33050950, 36356045, 46932349, 72712090, 93864698, 181780225, 234661745, 363560450, 469323490, 516255839, 1032511678, 1173308725, 2346617450, 2581279195, 5162558390, 12906395975, 25812791950]

約数ペア:

[(1, 25812791950), (2, 12906395975), (5, 5162558390), (10, 2581279195), (11, 2346617450), (22, 1173308725), (25, 1032511678), (50, 516255839), (55, 469323490), (71, 363560450), (110, 234661745), (142, 181780225), (275, 93864698), (355, 72712090), (550, 46932349), (710, 36356045), (781, 33050950), (1562, 16525475), (1775, 14542418), (3550, 7271209), (3905, 6610190), (7810, 3305095), (19525, 1322038), (39050, 661019)]