2016111339920

素因数分解:

$2^4\times 5^1\times {\mathrm{160081}}^1\times {\mathrm{157429}}^1$

素因数の和:317523

約数の個数: 40

約数和(自身を含む): 4687517922360

約数和(自身を除く): 2671406582440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157429, 160081, 314858, 320162, 629716, 640324, 787145, 800405, 1259432, 1280648, 1574290, 1600810, 2518864, 2561296, 3148580, 3201620, 6297160, 6403240, 12594320, 12806480, 25201391749, 50402783498, 100805566996, 126006958745, 201611133992, 252013917490, 403222267984, 504027834980, 1008055669960, 2016111339920]

約数ペア:

[(1, 2016111339920), (2, 1008055669960), (4, 504027834980), (5, 403222267984), (8, 252013917490), (10, 201611133992), (16, 126006958745), (20, 100805566996), (40, 50402783498), (80, 25201391749), (157429, 12806480), (160081, 12594320), (314858, 6403240), (320162, 6297160), (629716, 3201620), (640324, 3148580), (787145, 2561296), (800405, 2518864), (1259432, 1600810), (1280648, 1574290)]