12757581040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2246053}}^1$

素因数の和:2246137

約数の個数: 40

約数和(自身を含む): 30079155168

約数和(自身を除く): 17321574128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 2246053, 4492106, 8984212, 11230265, 17968424, 22460530, 35936848, 44921060, 89842120, 159469763, 179684240, 318939526, 637879052, 797348815, 1275758104, 1594697630, 2551516208, 3189395260, 6378790520, 12757581040]

約数ペア:

[(1, 12757581040), (2, 6378790520), (4, 3189395260), (5, 2551516208), (8, 1594697630), (10, 1275758104), (16, 797348815), (20, 637879052), (40, 318939526), (71, 179684240), (80, 159469763), (142, 89842120), (284, 44921060), (355, 35936848), (568, 22460530), (710, 17968424), (1136, 11230265), (1420, 8984212), (2840, 4492106), (5680, 2246053)]