13854940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 32223744

約数和(自身を除く): 18368804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 887, 1420, 1562, 1774, 3124, 3548, 3905, 4435, 7810, 8870, 9757, 15620, 17740, 19514, 39028, 48785, 62977, 97570, 125954, 195140, 251908, 314885, 629770, 692747, 1259540, 1385494, 2770988, 3463735, 6927470, 13854940]

約数ペア:

[(1, 13854940), (2, 6927470), (4, 3463735), (5, 2770988), (10, 1385494), (11, 1259540), (20, 692747), (22, 629770), (44, 314885), (55, 251908), (71, 195140), (110, 125954), (142, 97570), (220, 62977), (284, 48785), (355, 39028), (710, 19514), (781, 17740), (887, 15620), (1420, 9757), (1562, 8870), (1774, 7810), (3124, 4435), (3548, 3905)]