8102780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 20084736

約数和(自身を除く): 11981956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1867, 2170, 3734, 4340, 7468, 9335, 13069, 18670, 26138, 37340, 52276, 57877, 65345, 115754, 130690, 231508, 261380, 289385, 405139, 578770, 810278, 1157540, 1620556, 2025695, 4051390, 8102780]

約数ペア:

[(1, 8102780), (2, 4051390), (4, 2025695), (5, 1620556), (7, 1157540), (10, 810278), (14, 578770), (20, 405139), (28, 289385), (31, 261380), (35, 231508), (62, 130690), (70, 115754), (124, 65345), (140, 57877), (155, 52276), (217, 37340), (310, 26138), (434, 18670), (620, 13069), (868, 9335), (1085, 7468), (1867, 4340), (2170, 3734)]