262472020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{215141}}^1$

素因数の和:215211

約数の個数: 24

約数和(自身を含む): 560229768

約数和(自身を除く): 297757748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 215141, 430282, 860564, 1075705, 2151410, 4302820, 13123601, 26247202, 52494404, 65618005, 131236010, 262472020]

約数ペア:

[(1, 262472020), (2, 131236010), (4, 65618005), (5, 52494404), (10, 26247202), (20, 13123601), (61, 4302820), (122, 2151410), (244, 1075705), (305, 860564), (610, 430282), (1220, 215141)]