40716520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78301}}^1$

素因数の和:78325

約数の個数: 32

約数和(自身を含む): 98660520

約数和(自身を除く): 57944000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78301, 156602, 313204, 391505, 626408, 783010, 1017913, 1566020, 2035826, 3132040, 4071652, 5089565, 8143304, 10179130, 20358260, 40716520]

約数ペア:

[(1, 40716520), (2, 20358260), (4, 10179130), (5, 8143304), (8, 5089565), (10, 4071652), (13, 3132040), (20, 2035826), (26, 1566020), (40, 1017913), (52, 783010), (65, 626408), (104, 391505), (130, 313204), (260, 156602), (520, 78301)]