9890366980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{809359}}^1$

素因数の和:809428

約数の個数: 48

約数和(自身を含む): 22843376640

約数和(自身を除く): 12953009660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 809359, 1618718, 3237436, 4046795, 8093590, 10521667, 16187180, 21043334, 38039873, 42086668, 52608335, 76079746, 105216670, 152159492, 190199365, 210433340, 380398730, 494518349, 760797460, 989036698, 1978073396, 2472591745, 4945183490, 9890366980]

約数ペア:

[(1, 9890366980), (2, 4945183490), (4, 2472591745), (5, 1978073396), (10, 989036698), (13, 760797460), (20, 494518349), (26, 380398730), (47, 210433340), (52, 190199365), (65, 152159492), (94, 105216670), (130, 76079746), (188, 52608335), (235, 42086668), (260, 38039873), (470, 21043334), (611, 16187180), (940, 10521667), (1222, 8093590), (2444, 4046795), (3055, 3237436), (6110, 1618718), (12220, 809359)]