71636240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68881}}^1$

素因数の和:68907

約数の個数: 40

約数和(自身を含む): 179368728

約数和(自身を除く): 107732488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68881, 137762, 275524, 344405, 551048, 688810, 895453, 1102096, 1377620, 1790906, 2755240, 3581812, 4477265, 5510480, 7163624, 8954530, 14327248, 17909060, 35818120, 71636240]

約数ペア:

[(1, 71636240), (2, 35818120), (4, 17909060), (5, 14327248), (8, 8954530), (10, 7163624), (13, 5510480), (16, 4477265), (20, 3581812), (26, 2755240), (40, 1790906), (52, 1377620), (65, 1102096), (80, 895453), (104, 688810), (130, 551048), (208, 344405), (260, 275524), (520, 137762), (1040, 68881)]