12982720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1445

約数の個数: 56

約数和(自身を含む): 32004000

約数和(自身を除く): 19021280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1399, 1856, 2320, 2798, 4640, 5596, 6995, 9280, 11192, 13990, 22384, 27980, 40571, 44768, 55960, 81142, 89536, 111920, 162284, 202855, 223840, 324568, 405710, 447680, 649136, 811420, 1298272, 1622840, 2596544, 3245680, 6491360, 12982720]

約数ペア:

[(1, 12982720), (2, 6491360), (4, 3245680), (5, 2596544), (8, 1622840), (10, 1298272), (16, 811420), (20, 649136), (29, 447680), (32, 405710), (40, 324568), (58, 223840), (64, 202855), (80, 162284), (116, 111920), (145, 89536), (160, 81142), (232, 55960), (290, 44768), (320, 40571), (464, 27980), (580, 22384), (928, 13990), (1160, 11192), (1399, 9280), (1856, 6995), (2320, 5596), (2798, 4640)]