72503960

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2521}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 163425600

約数和(自身を除く): 90921640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 1438, 2521, 2876, 3595, 5042, 5752, 7190, 10084, 12605, 14380, 20168, 25210, 28760, 50420, 100840, 1812599, 3625198, 7250396, 9062995, 14500792, 18125990, 36251980, 72503960]

約数ペア:

[(1, 72503960), (2, 36251980), (4, 18125990), (5, 14500792), (8, 9062995), (10, 7250396), (20, 3625198), (40, 1812599), (719, 100840), (1438, 50420), (2521, 28760), (2876, 25210), (3595, 20168), (5042, 14380), (5752, 12605), (7190, 10084)]