61694840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15271}}^1$

素因数の和:15383

約数の個数: 32

約数和(自身を含む): 140196960

約数和(自身を除く): 78502120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 15271, 30542, 61084, 76355, 122168, 152710, 305420, 610840, 1542371, 3084742, 6169484, 7711855, 12338968, 15423710, 30847420, 61694840]

約数ペア:

[(1, 61694840), (2, 30847420), (4, 15423710), (5, 12338968), (8, 7711855), (10, 6169484), (20, 3084742), (40, 1542371), (101, 610840), (202, 305420), (404, 152710), (505, 122168), (808, 76355), (1010, 61084), (2020, 30542), (4040, 15271)]