1293507980

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{31079}}^1$

素因数の和:33169

約数の個数: 24

約数和(自身を含む): 2717759520

約数和(自身を除く): 1424251540

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 8324, 10405, 20810, 31079, 41620, 62158, 124316, 155395, 310790, 621580, 64675399, 129350798, 258701596, 323376995, 646753990, 1293507980]

約数ペア:

[(1, 1293507980), (2, 646753990), (4, 323376995), (5, 258701596), (10, 129350798), (20, 64675399), (2081, 621580), (4162, 310790), (8324, 155395), (10405, 124316), (20810, 62158), (31079, 41620)]