1622840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 3780000

約数和(自身を除く): 2157160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1399, 2798, 5596, 6995, 11192, 13990, 27980, 40571, 55960, 81142, 162284, 202855, 324568, 405710, 811420, 1622840]

約数ペア:

[(1, 1622840), (2, 811420), (4, 405710), (5, 324568), (8, 202855), (10, 162284), (20, 81142), (29, 55960), (40, 40571), (58, 27980), (116, 13990), (145, 11192), (232, 6995), (290, 5596), (580, 2798), (1160, 1399)]