8721700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6709}}^1$

素因数の和:6736

約数の個数: 36

約数和(自身を含む): 20384980

約数和(自身を除く): 11663280

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 6709, 13418, 26836, 33545, 67090, 87217, 134180, 167725, 174434, 335450, 348868, 436085, 670900, 872170, 1744340, 2180425, 4360850, 8721700]

約数ペア:

[(1, 8721700), (2, 4360850), (4, 2180425), (5, 1744340), (10, 872170), (13, 670900), (20, 436085), (25, 348868), (26, 335450), (50, 174434), (52, 167725), (65, 134180), (100, 87217), (130, 67090), (260, 33545), (325, 26836), (650, 13418), (1300, 6709)]