16885540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4159}}^1$

素因数の和:4204

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 25047260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4159, 8318, 16636, 20795, 29113, 41590, 58226, 83180, 116452, 120611, 145565, 241222, 291130, 482444, 582260, 603055, 844277, 1206110, 1688554, 2412220, 3377108, 4221385, 8442770, 16885540]

約数ペア:

[(1, 16885540), (2, 8442770), (4, 4221385), (5, 3377108), (7, 2412220), (10, 1688554), (14, 1206110), (20, 844277), (28, 603055), (29, 582260), (35, 482444), (58, 291130), (70, 241222), (116, 145565), (140, 120611), (145, 116452), (203, 83180), (290, 58226), (406, 41590), (580, 29113), (812, 20795), (1015, 16636), (2030, 8318), (4060, 4159)]