2591154940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{165887}}^1$

素因数の和:165978

約数の個数: 48

約数和(自身を含む): 6019743744

約数和(自身を除く): 3428588804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 165887, 331774, 663548, 829435, 1658870, 1824757, 3317740, 3649514, 7299028, 9123785, 11777977, 18247570, 23555954, 36495140, 47111908, 58889885, 117779770, 129557747, 235559540, 259115494, 518230988, 647788735, 1295577470, 2591154940]

約数ペア:

[(1, 2591154940), (2, 1295577470), (4, 647788735), (5, 518230988), (10, 259115494), (11, 235559540), (20, 129557747), (22, 117779770), (44, 58889885), (55, 47111908), (71, 36495140), (110, 23555954), (142, 18247570), (220, 11777977), (284, 9123785), (355, 7299028), (710, 3649514), (781, 3317740), (1420, 1824757), (1562, 1658870), (3124, 829435), (3905, 663548), (7810, 331774), (15620, 165887)]