164033480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{315449}}^1$

素因数の和:315473

約数の個数: 32

約数和(自身を含む): 397467000

約数和(自身を除く): 233433520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 315449, 630898, 1261796, 1577245, 2523592, 3154490, 4100837, 6308980, 8201674, 12617960, 16403348, 20504185, 32806696, 41008370, 82016740, 164033480]

約数ペア:

[(1, 164033480), (2, 82016740), (4, 41008370), (5, 32806696), (8, 20504185), (10, 16403348), (13, 12617960), (20, 8201674), (26, 6308980), (40, 4100837), (52, 3154490), (65, 2523592), (104, 1577245), (130, 1261796), (260, 630898), (520, 315449)]