13768120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4357}}^1$

素因数の和:4447

約数の個数: 32

約数和(自身を含む): 31377600

約数和(自身を除く): 17609480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4357, 8714, 17428, 21785, 34856, 43570, 87140, 174280, 344203, 688406, 1376812, 1721015, 2753624, 3442030, 6884060, 13768120]

約数ペア:

[(1, 13768120), (2, 6884060), (4, 3442030), (5, 2753624), (8, 1721015), (10, 1376812), (20, 688406), (40, 344203), (79, 174280), (158, 87140), (316, 43570), (395, 34856), (632, 21785), (790, 17428), (1580, 8714), (3160, 4357)]