72615280

素因数分解:

$2^4\times 5^1\times {\mathrm{907691}}^1$

素因数の和:907704

約数の個数: 20

約数和(自身を含む): 168830712

約数和(自身を除く): 96215432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907691, 1815382, 3630764, 4538455, 7261528, 9076910, 14523056, 18153820, 36307640, 72615280]

約数ペア:

[(1, 72615280), (2, 36307640), (4, 18153820), (5, 14523056), (8, 9076910), (10, 7261528), (16, 4538455), (20, 3630764), (40, 1815382), (80, 907691)]