39964925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 66579072

約数和(自身を除く): 26614147

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1597, 1925, 2275, 3575, 5005, 7985, 11179, 17567, 20761, 25025, 39925, 55895, 87835, 103805, 122969, 145327, 228371, 279475, 439175, 519025, 614845, 726635, 1141855, 1598597, 3074225, 3633175, 5709275, 7992985, 39964925]

約数ペア:

[(1, 39964925), (5, 7992985), (7, 5709275), (11, 3633175), (13, 3074225), (25, 1598597), (35, 1141855), (55, 726635), (65, 614845), (77, 519025), (91, 439175), (143, 279475), (175, 228371), (275, 145327), (325, 122969), (385, 103805), (455, 87835), (715, 55895), (1001, 39925), (1597, 25025), (1925, 20761), (2275, 17567), (3575, 11179), (5005, 7985)]