79486640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12577}}^1$

素因数の和:12669

約数の個数: 40

約数和(自身を含む): 187160640

約数和(自身を除く): 107674000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 12577, 25154, 50308, 62885, 100616, 125770, 201232, 251540, 503080, 993583, 1006160, 1987166, 3974332, 4967915, 7948664, 9935830, 15897328, 19871660, 39743320, 79486640]

約数ペア:

[(1, 79486640), (2, 39743320), (4, 19871660), (5, 15897328), (8, 9935830), (10, 7948664), (16, 4967915), (20, 3974332), (40, 1987166), (79, 1006160), (80, 993583), (158, 503080), (316, 251540), (395, 201232), (632, 125770), (790, 100616), (1264, 62885), (1580, 50308), (3160, 25154), (6320, 12577)]