79789960

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6373}}^1$

素因数の和:6697

約数の個数: 32

約数和(自身を含む): 180129240

約数和(自身を除く): 100339280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 6373, 12520, 12746, 25492, 31865, 50984, 63730, 127460, 254920, 1994749, 3989498, 7978996, 9973745, 15957992, 19947490, 39894980, 79789960]

約数ペア:

[(1, 79789960), (2, 39894980), (4, 19947490), (5, 15957992), (8, 9973745), (10, 7978996), (20, 3989498), (40, 1994749), (313, 254920), (626, 127460), (1252, 63730), (1565, 50984), (2504, 31865), (3130, 25492), (6260, 12746), (6373, 12520)]