5077640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 11617560

約数和(自身を除く): 6539920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2081, 2440, 4162, 8324, 10405, 16648, 20810, 41620, 83240, 126941, 253882, 507764, 634705, 1015528, 1269410, 2538820, 5077640]

約数ペア:

[(1, 5077640), (2, 2538820), (4, 1269410), (5, 1015528), (8, 634705), (10, 507764), (20, 253882), (40, 126941), (61, 83240), (122, 41620), (244, 20810), (305, 16648), (488, 10405), (610, 8324), (1220, 4162), (2081, 2440)]