72613360

素因数分解:

$2^4\times 5^1\times {\mathrm{907667}}^1$

素因数の和:907680

約数の個数: 20

約数和(自身を含む): 168826248

約数和(自身を除く): 96212888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907667, 1815334, 3630668, 4538335, 7261336, 9076670, 14522672, 18153340, 36306680, 72613360]

約数ペア:

[(1, 72613360), (2, 36306680), (4, 18153340), (5, 14522672), (8, 9076670), (10, 7261336), (16, 4538335), (20, 3630668), (40, 1815334), (80, 907667)]