8271250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:544

約数の個数: 40

約数和(自身を含む): 16729020

約数和(自身を除く): 8457770

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 509, 625, 650, 1018, 1250, 1625, 2545, 3250, 5090, 6617, 8125, 12725, 13234, 16250, 25450, 33085, 63625, 66170, 127250, 165425, 318125, 330850, 636250, 827125, 1654250, 4135625, 8271250]

約数ペア:

[(1, 8271250), (2, 4135625), (5, 1654250), (10, 827125), (13, 636250), (25, 330850), (26, 318125), (50, 165425), (65, 127250), (125, 66170), (130, 63625), (250, 33085), (325, 25450), (509, 16250), (625, 13234), (650, 12725), (1018, 8125), (1250, 6617), (1625, 5090), (2545, 3250)]