158973280

素因数分解:

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

素因数の和:12671

約数の個数: 48

約数和(自身を含む): 380358720

約数和(自身を除く): 221385440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12577, 12640, 25154, 50308, 62885, 100616, 125770, 201232, 251540, 402464, 503080, 993583, 1006160, 1987166, 2012320, 3974332, 4967915, 7948664, 9935830, 15897328, 19871660, 31794656, 39743320, 79486640, 158973280]

約数ペア:

[(1, 158973280), (2, 79486640), (4, 39743320), (5, 31794656), (8, 19871660), (10, 15897328), (16, 9935830), (20, 7948664), (32, 4967915), (40, 3974332), (79, 2012320), (80, 1987166), (158, 1006160), (160, 993583), (316, 503080), (395, 402464), (632, 251540), (790, 201232), (1264, 125770), (1580, 100616), (2528, 62885), (3160, 50308), (6320, 25154), (12577, 12640)]