3890120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7481}}^1$

素因数の和:7505

約数の個数: 32

約数和(自身を含む): 9427320

約数和(自身を除く): 5537200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7481, 14962, 29924, 37405, 59848, 74810, 97253, 149620, 194506, 299240, 389012, 486265, 778024, 972530, 1945060, 3890120]

約数ペア:

[(1, 3890120), (2, 1945060), (4, 972530), (5, 778024), (8, 486265), (10, 389012), (13, 299240), (20, 194506), (26, 149620), (40, 97253), (52, 74810), (65, 59848), (104, 37405), (130, 29924), (260, 14962), (520, 7481)]