6463840

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 15513120

約数和(自身を除く): 9049280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 569, 710, 1136, 1138, 1420, 2272, 2276, 2840, 2845, 4552, 5680, 5690, 9104, 11360, 11380, 18208, 22760, 40399, 45520, 80798, 91040, 161596, 201995, 323192, 403990, 646384, 807980, 1292768, 1615960, 3231920, 6463840]

約数ペア:

[(1, 6463840), (2, 3231920), (4, 1615960), (5, 1292768), (8, 807980), (10, 646384), (16, 403990), (20, 323192), (32, 201995), (40, 161596), (71, 91040), (80, 80798), (142, 45520), (160, 40399), (284, 22760), (355, 18208), (568, 11380), (569, 11360), (710, 9104), (1136, 5690), (1138, 5680), (1420, 4552), (2272, 2845), (2276, 2840)]