40640140

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13457}}^1$

素因数の和:13617

約数の個数: 24

約数和(自身を含む): 85915872

約数和(自身を除く): 45275732

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 13457, 26914, 53828, 67285, 134570, 269140, 2032007, 4064014, 8128028, 10160035, 20320070, 40640140]

約数ペア:

[(1, 40640140), (2, 20320070), (4, 10160035), (5, 8128028), (10, 4064014), (20, 2032007), (151, 269140), (302, 134570), (604, 67285), (755, 53828), (1510, 26914), (3020, 13457)]