25825540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 33444860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1399, 1420, 1846, 2798, 3692, 4615, 5596, 6995, 9230, 13990, 18187, 18460, 27980, 36374, 72748, 90935, 99329, 181870, 198658, 363740, 397316, 496645, 993290, 1291277, 1986580, 2582554, 5165108, 6456385, 12912770, 25825540]

約数ペア:

[(1, 25825540), (2, 12912770), (4, 6456385), (5, 5165108), (10, 2582554), (13, 1986580), (20, 1291277), (26, 993290), (52, 496645), (65, 397316), (71, 363740), (130, 198658), (142, 181870), (260, 99329), (284, 90935), (355, 72748), (710, 36374), (923, 27980), (1399, 18460), (1420, 18187), (1846, 13990), (2798, 9230), (3692, 6995), (4615, 5596)]