42898720

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1361}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 101937528

約数和(自身を除く): 59038808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1361, 1576, 1970, 2722, 3152, 3940, 5444, 6304, 6805, 7880, 10888, 13610, 15760, 21776, 27220, 31520, 43552, 54440, 108880, 217760, 268117, 536234, 1072468, 1340585, 2144936, 2681170, 4289872, 5362340, 8579744, 10724680, 21449360, 42898720]

約数ペア:

[(1, 42898720), (2, 21449360), (4, 10724680), (5, 8579744), (8, 5362340), (10, 4289872), (16, 2681170), (20, 2144936), (32, 1340585), (40, 1072468), (80, 536234), (160, 268117), (197, 217760), (394, 108880), (788, 54440), (985, 43552), (1361, 31520), (1576, 27220), (1970, 21776), (2722, 15760), (3152, 13610), (3940, 10888), (5444, 7880), (6304, 6805)]