8470020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10859}}^1$

素因数の和:10884

約数の個数: 48

約数和(自身を含む): 25542720

約数和(自身を除く): 17072700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10859, 21718, 32577, 43436, 54295, 65154, 108590, 130308, 141167, 162885, 217180, 282334, 325770, 423501, 564668, 651540, 705835, 847002, 1411670, 1694004, 2117505, 2823340, 4235010, 8470020]

約数ペア:

[(1, 8470020), (2, 4235010), (3, 2823340), (4, 2117505), (5, 1694004), (6, 1411670), (10, 847002), (12, 705835), (13, 651540), (15, 564668), (20, 423501), (26, 325770), (30, 282334), (39, 217180), (52, 162885), (60, 141167), (65, 130308), (78, 108590), (130, 65154), (156, 54295), (195, 43436), (260, 32577), (390, 21718), (780, 10859)]