129415840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42571}}^1$

素因数の和:42605

約数の個数: 48

約数和(自身を含む): 321844320

約数和(自身を除く): 192428480

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, 42571, 85142, 170284, 212855, 340568, 425710, 681136, 808849, 851420, 1362272, 1617698, 1702840, 3235396, 3405680, 4044245, 6470792, 6811360, 8088490, 12941584, 16176980, 25883168, 32353960, 64707920, 129415840]

約数ペア:

[(1, 129415840), (2, 64707920), (4, 32353960), (5, 25883168), (8, 16176980), (10, 12941584), (16, 8088490), (19, 6811360), (20, 6470792), (32, 4044245), (38, 3405680), (40, 3235396), (76, 1702840), (80, 1617698), (95, 1362272), (152, 851420), (160, 808849), (190, 681136), (304, 425710), (380, 340568), (608, 212855), (760, 170284), (1520, 85142), (3040, 42571)]