40139984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1515

約数の個数: 40

約数和(自身を含む): 81578112

約数和(自身を除く): 41438128

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1423, 1763, 2846, 3526, 5692, 7052, 11384, 14104, 22768, 28208, 58343, 61189, 116686, 122378, 233372, 244756, 466744, 489512, 933488, 979024, 2508749, 5017498, 10034996, 20069992, 40139984]

約数ペア:

[(1, 40139984), (2, 20069992), (4, 10034996), (8, 5017498), (16, 2508749), (41, 979024), (43, 933488), (82, 489512), (86, 466744), (164, 244756), (172, 233372), (328, 122378), (344, 116686), (656, 61189), (688, 58343), (1423, 28208), (1763, 22768), (2846, 14104), (3526, 11384), (5692, 7052)]