25243340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 55702080

約数和(自身を除く): 30458740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 613, 710, 1226, 1420, 2059, 2452, 3065, 4118, 6130, 8236, 10295, 12260, 17777, 20590, 35554, 41180, 43523, 71108, 87046, 88885, 174092, 177770, 217615, 355540, 435230, 870460, 1262167, 2524334, 5048668, 6310835, 12621670, 25243340]

約数ペア:

[(1, 25243340), (2, 12621670), (4, 6310835), (5, 5048668), (10, 2524334), (20, 1262167), (29, 870460), (58, 435230), (71, 355540), (116, 217615), (142, 177770), (145, 174092), (284, 88885), (290, 87046), (355, 71108), (580, 43523), (613, 41180), (710, 35554), (1226, 20590), (1420, 17777), (2059, 12260), (2452, 10295), (3065, 8236), (4118, 6130)]