15862420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 39392640

約数和(自身を除く): 23530220

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, 3907, 4060, 7814, 15628, 19535, 27349, 39070, 54698, 78140, 109396, 113303, 136745, 226606, 273490, 453212, 546980, 566515, 793121, 1133030, 1586242, 2266060, 3172484, 3965605, 7931210, 15862420]

約数ペア:

[(1, 15862420), (2, 7931210), (4, 3965605), (5, 3172484), (7, 2266060), (10, 1586242), (14, 1133030), (20, 793121), (28, 566515), (29, 546980), (35, 453212), (58, 273490), (70, 226606), (116, 136745), (140, 113303), (145, 109396), (203, 78140), (290, 54698), (406, 39070), (580, 27349), (812, 19535), (1015, 15628), (2030, 7814), (3907, 4060)]