64640416

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{42979}}^1$

素因数の和:43036

約数の個数: 24

約数和(自身を含む): 129971520

約数和(自身を除く): 65331104

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 42979, 85958, 171916, 343832, 687664, 1375328, 2020013, 4040026, 8080052, 16160104, 32320208, 64640416]

約数ペア:

[(1, 64640416), (2, 32320208), (4, 16160104), (8, 8080052), (16, 4040026), (32, 2020013), (47, 1375328), (94, 687664), (188, 343832), (376, 171916), (752, 85958), (1504, 42979)]