39993280

素因数分解:

$2^6\times 5^1\times {\mathrm{124979}}^1$

素因数の和:124996

約数の個数: 28

約数和(自身を含む): 95234760

約数和(自身を除く): 55241480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 124979, 249958, 499916, 624895, 999832, 1249790, 1999664, 2499580, 3999328, 4999160, 7998656, 9998320, 19996640, 39993280]

約数ペア:

[(1, 39993280), (2, 19996640), (4, 9998320), (5, 7998656), (8, 4999160), (10, 3999328), (16, 2499580), (20, 1999664), (32, 1249790), (40, 999832), (64, 624895), (80, 499916), (160, 249958), (320, 124979)]