61996520

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2243}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 139756320

約数和(自身を除く): 77759800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2243, 2764, 3455, 4486, 5528, 6910, 8972, 11215, 13820, 17944, 22430, 27640, 44860, 89720, 1549913, 3099826, 6199652, 7749565, 12399304, 15499130, 30998260, 61996520]

約数ペア:

[(1, 61996520), (2, 30998260), (4, 15499130), (5, 12399304), (8, 7749565), (10, 6199652), (20, 3099826), (40, 1549913), (691, 89720), (1382, 44860), (2243, 27640), (2764, 22430), (3455, 17944), (4486, 13820), (5528, 11215), (6910, 8972)]