72601720

素因数分解:

$2^3\times 5^1\times {\mathrm{1815043}}^1$

素因数の和:1815054

約数の個数: 16

約数和(自身を含む): 163353960

約数和(自身を除く): 90752240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1815043, 3630086, 7260172, 9075215, 14520344, 18150430, 36300860, 72601720]

約数ペア:

[(1, 72601720), (2, 36300860), (4, 18150430), (5, 14520344), (8, 9075215), (10, 7260172), (20, 3630086), (40, 1815043)]