74072720

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2309}}^1$

素因数の和:2723

約数の個数: 40

約数和(自身を含む): 172723320

約数和(自身を除く): 98650600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 2309, 3208, 4010, 4618, 6416, 8020, 9236, 11545, 16040, 18472, 23090, 32080, 36944, 46180, 92360, 184720, 925909, 1851818, 3703636, 4629545, 7407272, 9259090, 14814544, 18518180, 37036360, 74072720]

約数ペア:

[(1, 74072720), (2, 37036360), (4, 18518180), (5, 14814544), (8, 9259090), (10, 7407272), (16, 4629545), (20, 3703636), (40, 1851818), (80, 925909), (401, 184720), (802, 92360), (1604, 46180), (2005, 36944), (2309, 32080), (3208, 23090), (4010, 18472), (4618, 16040), (6416, 11545), (8020, 9236)]