66708640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10169}}^1$

素因数の和:10225

約数の個数: 48

約数和(自身を含む): 161458920

約数和(自身を除く): 94750280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 10169, 20338, 40676, 50845, 81352, 101690, 162704, 203380, 325408, 406760, 416929, 813520, 833858, 1627040, 1667716, 2084645, 3335432, 4169290, 6670864, 8338580, 13341728, 16677160, 33354320, 66708640]

約数ペア:

[(1, 66708640), (2, 33354320), (4, 16677160), (5, 13341728), (8, 8338580), (10, 6670864), (16, 4169290), (20, 3335432), (32, 2084645), (40, 1667716), (41, 1627040), (80, 833858), (82, 813520), (160, 416929), (164, 406760), (205, 325408), (328, 203380), (410, 162704), (656, 101690), (820, 81352), (1312, 50845), (1640, 40676), (3280, 20338), (6560, 10169)]