4097980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3359}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 8749440

約数和(自身を除く): 4651460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3359, 6718, 13436, 16795, 33590, 67180, 204899, 409798, 819596, 1024495, 2048990, 4097980]

約数ペア:

[(1, 4097980), (2, 2048990), (4, 1024495), (5, 819596), (10, 409798), (20, 204899), (61, 67180), (122, 33590), (244, 16795), (305, 13436), (610, 6718), (1220, 3359)]