63919780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^2\times {\mathrm{269}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 135977940

約数和(自身を除く): 72058160

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 269, 436, 538, 545, 1076, 1090, 1345, 2180, 2690, 5380, 11881, 23762, 29321, 47524, 58642, 59405, 117284, 118810, 146605, 237620, 293210, 586420, 3195989, 6391978, 12783956, 15979945, 31959890, 63919780]

約数ペア:

[(1, 63919780), (2, 31959890), (4, 15979945), (5, 12783956), (10, 6391978), (20, 3195989), (109, 586420), (218, 293210), (269, 237620), (436, 146605), (538, 118810), (545, 117284), (1076, 59405), (1090, 58642), (1345, 47524), (2180, 29321), (2690, 23762), (5380, 11881)]