779368640

素因数分解:

$2^6\times 5^1\times {\mathrm{2435527}}^1$

素因数の和:2435544

約数の個数: 28

約数和(自身を含む): 1855872336

約数和(自身を除く): 1076503696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2435527, 4871054, 9742108, 12177635, 19484216, 24355270, 38968432, 48710540, 77936864, 97421080, 155873728, 194842160, 389684320, 779368640]

約数ペア:

[(1, 779368640), (2, 389684320), (4, 194842160), (5, 155873728), (8, 97421080), (10, 77936864), (16, 48710540), (20, 38968432), (32, 24355270), (40, 19484216), (64, 12177635), (80, 9742108), (160, 4871054), (320, 2435527)]