28966760

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1487}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 65352960

約数和(自身を除く): 36386200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1487, 1948, 2435, 2974, 3896, 4870, 5948, 7435, 9740, 11896, 14870, 19480, 29740, 59480, 724169, 1448338, 2896676, 3620845, 5793352, 7241690, 14483380, 28966760]

約数ペア:

[(1, 28966760), (2, 14483380), (4, 7241690), (5, 5793352), (8, 3620845), (10, 2896676), (20, 1448338), (40, 724169), (487, 59480), (974, 29740), (1487, 19480), (1948, 14870), (2435, 11896), (2974, 9740), (3896, 7435), (4870, 5948)]