4467640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 10222560

約数和(自身を除く): 5754920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1831, 2440, 3662, 7324, 9155, 14648, 18310, 36620, 73240, 111691, 223382, 446764, 558455, 893528, 1116910, 2233820, 4467640]

約数ペア:

[(1, 4467640), (2, 2233820), (4, 1116910), (5, 893528), (8, 558455), (10, 446764), (20, 223382), (40, 111691), (61, 73240), (122, 36620), (244, 18310), (305, 14648), (488, 9155), (610, 7324), (1220, 3662), (1831, 2440)]