7770440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 17712000

約数和(自身を除く): 9941560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2459, 3160, 4918, 9836, 12295, 19672, 24590, 49180, 98360, 194261, 388522, 777044, 971305, 1554088, 1942610, 3885220, 7770440]

約数ペア:

[(1, 7770440), (2, 3885220), (4, 1942610), (5, 1554088), (8, 971305), (10, 777044), (20, 388522), (40, 194261), (79, 98360), (158, 49180), (316, 24590), (395, 19672), (632, 12295), (790, 9836), (1580, 4918), (2459, 3160)]