26020625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 35988480

約数和(自身を除く): 9967855

約数列:

[1, 5, 17, 25, 31, 79, 85, 125, 155, 395, 425, 527, 625, 775, 1343, 1975, 2125, 2449, 2635, 3875, 6715, 9875, 10625, 12245, 13175, 19375, 33575, 41633, 49375, 61225, 65875, 167875, 208165, 306125, 329375, 839375, 1040825, 1530625, 5204125, 26020625]

約数ペア:

[(1, 26020625), (5, 5204125), (17, 1530625), (25, 1040825), (31, 839375), (79, 329375), (85, 306125), (125, 208165), (155, 167875), (395, 65875), (425, 61225), (527, 49375), (625, 41633), (775, 33575), (1343, 19375), (1975, 13175), (2125, 12245), (2449, 10625), (2635, 9875), (3875, 6715)]