40277990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3169}}^1$

素因数の和:3248

約数の個数: 32

約数和(自身を含む): 76688640

約数和(自身を除く): 36410650

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 2542, 3169, 6338, 6355, 12710, 15845, 31690, 98239, 129929, 196478, 259858, 491195, 649645, 982390, 1299290, 4027799, 8055598, 20138995, 40277990]

約数ペア:

[(1, 40277990), (2, 20138995), (5, 8055598), (10, 4027799), (31, 1299290), (41, 982390), (62, 649645), (82, 491195), (155, 259858), (205, 196478), (310, 129929), (410, 98239), (1271, 31690), (2542, 15845), (3169, 12710), (6338, 6355)]