64476320

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1487}}^1$

素因数の和:1773

約数の個数: 48

約数和(自身を含む): 152990208

約数和(自身を除く): 88513888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 1487, 2168, 2710, 2974, 4336, 5420, 5948, 7435, 8672, 10840, 11896, 14870, 21680, 23792, 29740, 43360, 47584, 59480, 118960, 237920, 402977, 805954, 1611908, 2014885, 3223816, 4029770, 6447632, 8059540, 12895264, 16119080, 32238160, 64476320]

約数ペア:

[(1, 64476320), (2, 32238160), (4, 16119080), (5, 12895264), (8, 8059540), (10, 6447632), (16, 4029770), (20, 3223816), (32, 2014885), (40, 1611908), (80, 805954), (160, 402977), (271, 237920), (542, 118960), (1084, 59480), (1355, 47584), (1487, 43360), (2168, 29740), (2710, 23792), (2974, 21680), (4336, 14870), (5420, 11896), (5948, 10840), (7435, 8672)]