163919660

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{12437}}^1$

素因数の和:13105

約数の個数: 24

約数和(自身を含む): 344781360

約数和(自身を除く): 180861700

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 12437, 13180, 24874, 49748, 62185, 124370, 248740, 8195983, 16391966, 32783932, 40979915, 81959830, 163919660]

約数ペア:

[(1, 163919660), (2, 81959830), (4, 40979915), (5, 32783932), (10, 16391966), (20, 8195983), (659, 248740), (1318, 124370), (2636, 62185), (3295, 49748), (6590, 24874), (12437, 13180)]