139850540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{88513}}^1$

素因数の和:88601

約数の個数: 24

約数和(自身を含む): 297407040

約数和(自身を除く): 157556500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 88513, 177026, 354052, 442565, 885130, 1770260, 6992527, 13985054, 27970108, 34962635, 69925270, 139850540]

約数ペア:

[(1, 139850540), (2, 69925270), (4, 34962635), (5, 27970108), (10, 13985054), (20, 6992527), (79, 1770260), (158, 885130), (316, 442565), (395, 354052), (790, 177026), (1580, 88513)]