8106980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 19729920

約数和(自身を除く): 11622940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 733, 790, 1106, 1466, 1580, 2212, 2765, 2932, 3665, 5131, 5530, 7330, 10262, 11060, 14660, 20524, 25655, 51310, 57907, 102620, 115814, 231628, 289535, 405349, 579070, 810698, 1158140, 1621396, 2026745, 4053490, 8106980]

約数ペア:

[(1, 8106980), (2, 4053490), (4, 2026745), (5, 1621396), (7, 1158140), (10, 810698), (14, 579070), (20, 405349), (28, 289535), (35, 231628), (70, 115814), (79, 102620), (140, 57907), (158, 51310), (316, 25655), (395, 20524), (553, 14660), (733, 11060), (790, 10262), (1106, 7330), (1466, 5530), (1580, 5131), (2212, 3665), (2765, 2932)]