400018049360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{172421573}}^1$

素因数の和:172421615

約数の個数: 40

約数和(自身を含む): 962112382920

約数和(自身を除く): 562094333560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 172421573, 344843146, 689686292, 862107865, 1379372584, 1724215730, 2758745168, 3448431460, 5000225617, 6896862920, 10000451234, 13793725840, 20000902468, 25001128085, 40001804936, 50002256170, 80003609872, 100004512340, 200009024680, 400018049360]

約数ペア:

[(1, 400018049360), (2, 200009024680), (4, 100004512340), (5, 80003609872), (8, 50002256170), (10, 40001804936), (16, 25001128085), (20, 20000902468), (29, 13793725840), (40, 10000451234), (58, 6896862920), (80, 5000225617), (116, 3448431460), (145, 2758745168), (232, 1724215730), (290, 1379372584), (464, 862107865), (580, 689686292), (1160, 344843146), (2320, 172421573)]