2005509025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 2734699968

約数和(自身を除く): 729190943

約数列:

[1, 5, 13, 25, 65, 101, 107, 325, 505, 535, 571, 1313, 1391, 2525, 2675, 2855, 6565, 6955, 7423, 10807, 14275, 32825, 34775, 37115, 54035, 57671, 61097, 140491, 185575, 270175, 288355, 305485, 702455, 749723, 794261, 1441775, 1527425, 3512275, 3748615, 3971305, 6170797, 18743075, 19856525, 30853985, 80220361, 154269925, 401101805, 2005509025]

約数ペア:

[(1, 2005509025), (5, 401101805), (13, 154269925), (25, 80220361), (65, 30853985), (101, 19856525), (107, 18743075), (325, 6170797), (505, 3971305), (535, 3748615), (571, 3512275), (1313, 1527425), (1391, 1441775), (2525, 794261), (2675, 749723), (2855, 702455), (6565, 305485), (6955, 288355), (7423, 270175), (10807, 185575), (14275, 140491), (32825, 61097), (34775, 57671), (37115, 54035)]