72115160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138683}}^1$

素因数の和:138707

約数の個数: 32

約数和(自身を含む): 174741840

約数和(自身を除く): 102626680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138683, 277366, 554732, 693415, 1109464, 1386830, 1802879, 2773660, 3605758, 5547320, 7211516, 9014395, 14423032, 18028790, 36057580, 72115160]

約数ペア:

[(1, 72115160), (2, 36057580), (4, 18028790), (5, 14423032), (8, 9014395), (10, 7211516), (13, 5547320), (20, 3605758), (26, 2773660), (40, 1802879), (52, 1386830), (65, 1109464), (104, 693415), (130, 554732), (260, 277366), (520, 138683)]