65945960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86771}}^1$

素因数の和:86801

約数の個数: 32

約数和(自身を含む): 156189600

約数和(自身を除く): 90243640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 86771, 173542, 347084, 433855, 694168, 867710, 1648649, 1735420, 3297298, 3470840, 6594596, 8243245, 13189192, 16486490, 32972980, 65945960]

約数ペア:

[(1, 65945960), (2, 32972980), (4, 16486490), (5, 13189192), (8, 8243245), (10, 6594596), (19, 3470840), (20, 3297298), (38, 1735420), (40, 1648649), (76, 867710), (95, 694168), (152, 433855), (190, 347084), (380, 173542), (760, 86771)]