40738960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16427}}^1$

素因数の和:16471

約数の個数: 40

約数和(自身を含む): 97779456

約数和(自身を除く): 57040496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16427, 32854, 65708, 82135, 131416, 164270, 262832, 328540, 509237, 657080, 1018474, 1314160, 2036948, 2546185, 4073896, 5092370, 8147792, 10184740, 20369480, 40738960]

約数ペア:

[(1, 40738960), (2, 20369480), (4, 10184740), (5, 8147792), (8, 5092370), (10, 4073896), (16, 2546185), (20, 2036948), (31, 1314160), (40, 1018474), (62, 657080), (80, 509237), (124, 328540), (155, 262832), (248, 164270), (310, 131416), (496, 82135), (620, 65708), (1240, 32854), (2480, 16427)]