83855620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 182923776

約数和(自身を除く): 99068156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 641, 844, 1055, 1282, 2110, 2564, 3205, 4220, 6410, 6541, 12820, 13082, 19871, 26164, 32705, 39742, 65410, 79484, 99355, 130820, 135251, 198710, 270502, 397420, 541004, 676255, 1352510, 2705020, 4192781, 8385562, 16771124, 20963905, 41927810, 83855620]

約数ペア:

[(1, 83855620), (2, 41927810), (4, 20963905), (5, 16771124), (10, 8385562), (20, 4192781), (31, 2705020), (62, 1352510), (124, 676255), (155, 541004), (211, 397420), (310, 270502), (422, 198710), (620, 135251), (641, 130820), (844, 99355), (1055, 79484), (1282, 65410), (2110, 39742), (2564, 32705), (3205, 26164), (4220, 19871), (6410, 13082), (6541, 12820)]