25758420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1297}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 72397248

約数和(自身を除く): 46638828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1297, 1324, 1655, 1986, 2594, 3310, 3891, 3972, 4965, 5188, 6485, 6620, 7782, 9930, 12970, 15564, 19455, 19860, 25940, 38910, 77820, 429307, 858614, 1287921, 1717228, 2146535, 2575842, 4293070, 5151684, 6439605, 8586140, 12879210, 25758420]

約数ペア:

[(1, 25758420), (2, 12879210), (3, 8586140), (4, 6439605), (5, 5151684), (6, 4293070), (10, 2575842), (12, 2146535), (15, 1717228), (20, 1287921), (30, 858614), (60, 429307), (331, 77820), (662, 38910), (993, 25940), (1297, 19860), (1324, 19455), (1655, 15564), (1986, 12970), (2594, 9930), (3310, 7782), (3891, 6620), (3972, 6485), (4965, 5188)]