67996240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65381}}^1$

素因数の和:65407

約数の個数: 40

約数和(自身を含む): 170254728

約数和(自身を除く): 102258488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65381, 130762, 261524, 326905, 523048, 653810, 849953, 1046096, 1307620, 1699906, 2615240, 3399812, 4249765, 5230480, 6799624, 8499530, 13599248, 16999060, 33998120, 67996240]

約数ペア:

[(1, 67996240), (2, 33998120), (4, 16999060), (5, 13599248), (8, 8499530), (10, 6799624), (13, 5230480), (16, 4249765), (20, 3399812), (26, 2615240), (40, 1699906), (52, 1307620), (65, 1046096), (80, 849953), (104, 653810), (130, 523048), (208, 326905), (260, 261524), (520, 130762), (1040, 65381)]