80425540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1709}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 182997360

約数和(自身を除く): 102571820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1709, 1810, 2353, 3418, 3620, 4706, 6836, 8545, 9412, 11765, 17090, 22217, 23530, 34180, 44434, 47060, 88868, 111085, 222170, 309329, 444340, 618658, 1237316, 1546645, 3093290, 4021277, 6186580, 8042554, 16085108, 20106385, 40212770, 80425540]

約数ペア:

[(1, 80425540), (2, 40212770), (4, 20106385), (5, 16085108), (10, 8042554), (13, 6186580), (20, 4021277), (26, 3093290), (52, 1546645), (65, 1237316), (130, 618658), (181, 444340), (260, 309329), (362, 222170), (724, 111085), (905, 88868), (1709, 47060), (1810, 44434), (2353, 34180), (3418, 23530), (3620, 22217), (4706, 17090), (6836, 11765), (8545, 9412)]