9840740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5407}}^1$

素因数の和:5436

約数の個数: 48

約数和(自身を含む): 25439232

約数和(自身を除く): 15598492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 5407, 10814, 21628, 27035, 37849, 54070, 70291, 75698, 108140, 140582, 151396, 189245, 281164, 351455, 378490, 492037, 702910, 756980, 984074, 1405820, 1968148, 2460185, 4920370, 9840740]

約数ペア:

[(1, 9840740), (2, 4920370), (4, 2460185), (5, 1968148), (7, 1405820), (10, 984074), (13, 756980), (14, 702910), (20, 492037), (26, 378490), (28, 351455), (35, 281164), (52, 189245), (65, 151396), (70, 140582), (91, 108140), (130, 75698), (140, 70291), (182, 54070), (260, 37849), (364, 27035), (455, 21628), (910, 10814), (1820, 5407)]