4907890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 10019520

約数和(自身を除く): 5111630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 1987, 2470, 3974, 9935, 19870, 25831, 37753, 51662, 75506, 129155, 188765, 258310, 377530, 490789, 981578, 2453945, 4907890]

約数ペア:

[(1, 4907890), (2, 2453945), (5, 981578), (10, 490789), (13, 377530), (19, 258310), (26, 188765), (38, 129155), (65, 75506), (95, 51662), (130, 37753), (190, 25831), (247, 19870), (494, 9935), (1235, 3974), (1987, 2470)]