85495180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 185945760

約数和(自身を除く): 100450580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1117, 1780, 2234, 3827, 4468, 5585, 7654, 11170, 15308, 19135, 22340, 38270, 48031, 76540, 96062, 99413, 192124, 198826, 240155, 397652, 480310, 497065, 960620, 994130, 1988260, 4274759, 8549518, 17099036, 21373795, 42747590, 85495180]

約数ペア:

[(1, 85495180), (2, 42747590), (4, 21373795), (5, 17099036), (10, 8549518), (20, 4274759), (43, 1988260), (86, 994130), (89, 960620), (172, 497065), (178, 480310), (215, 397652), (356, 240155), (430, 198826), (445, 192124), (860, 99413), (890, 96062), (1117, 76540), (1780, 48031), (2234, 38270), (3827, 22340), (4468, 19135), (5585, 15308), (7654, 11170)]