1980339770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{72091}}^1$

素因数の和:72206

約数の個数: 32

約数和(自身を含む): 3706105536

約数和(自身を除く): 1725765766

約数列:

[1, 2, 5, 10, 41, 67, 82, 134, 205, 335, 410, 670, 2747, 5494, 13735, 27470, 72091, 144182, 360455, 720910, 2955731, 4830097, 5911462, 9660194, 14778655, 24150485, 29557310, 48300970, 198033977, 396067954, 990169885, 1980339770]

約数ペア:

[(1, 1980339770), (2, 990169885), (5, 396067954), (10, 198033977), (41, 48300970), (67, 29557310), (82, 24150485), (134, 14778655), (205, 9660194), (335, 5911462), (410, 4830097), (670, 2955731), (2747, 720910), (5494, 360455), (13735, 144182), (27470, 72091)]