31375840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10321}}^1$

素因数の和:10355

約数の個数: 48

約数和(自身を含む): 78034320

約数和(自身を除く): 46658480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 10321, 20642, 41284, 51605, 82568, 103210, 165136, 196099, 206420, 330272, 392198, 412840, 784396, 825680, 980495, 1568792, 1651360, 1960990, 3137584, 3921980, 6275168, 7843960, 15687920, 31375840]

約数ペア:

[(1, 31375840), (2, 15687920), (4, 7843960), (5, 6275168), (8, 3921980), (10, 3137584), (16, 1960990), (19, 1651360), (20, 1568792), (32, 980495), (38, 825680), (40, 784396), (76, 412840), (80, 392198), (95, 330272), (152, 206420), (160, 196099), (190, 165136), (304, 103210), (380, 82568), (608, 51605), (760, 41284), (1520, 20642), (3040, 10321)]