73930840

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4519}}^1$

素因数の和:4939

約数の個数: 32

約数和(自身を含む): 166788000

約数和(自身を除く): 92857160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 4519, 8180, 9038, 16360, 18076, 22595, 36152, 45190, 90380, 180760, 1848271, 3696542, 7393084, 9241355, 14786168, 18482710, 36965420, 73930840]

約数ペア:

[(1, 73930840), (2, 36965420), (4, 18482710), (5, 14786168), (8, 9241355), (10, 7393084), (20, 3696542), (40, 1848271), (409, 180760), (818, 90380), (1636, 45190), (2045, 36152), (3272, 22595), (4090, 18076), (4519, 16360), (8180, 9038)]