2511880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{8971}}^1$

素因数の和:8989

約数の個数: 32

約数和(自身を含む): 6459840

約数和(自身を除く): 3947960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 8971, 17942, 35884, 44855, 62797, 71768, 89710, 125594, 179420, 251188, 313985, 358840, 502376, 627970, 1255940, 2511880]

約数ペア:

[(1, 2511880), (2, 1255940), (4, 627970), (5, 502376), (7, 358840), (8, 313985), (10, 251188), (14, 179420), (20, 125594), (28, 89710), (35, 71768), (40, 62797), (56, 44855), (70, 35884), (140, 17942), (280, 8971)]