72802340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280009}}^1$

素因数の和:280031

約数の個数: 24

約数和(自身を含む): 164645880

約数和(自身を除く): 91843540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280009, 560018, 1120036, 1400045, 2800090, 3640117, 5600180, 7280234, 14560468, 18200585, 36401170, 72802340]

約数ペア:

[(1, 72802340), (2, 36401170), (4, 18200585), (5, 14560468), (10, 7280234), (13, 5600180), (20, 3640117), (26, 2800090), (52, 1400045), (65, 1120036), (130, 560018), (260, 280009)]