2086880020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1\times {\mathrm{3967}}^1$

素因数の和:4912

約数の個数: 48

約数和(自身を含む): 4539709440

約数和(自身を除く): 2452829420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 907, 1814, 3628, 3967, 4535, 7934, 9070, 15868, 18140, 19835, 26303, 39670, 52606, 79340, 105212, 115043, 131515, 230086, 263030, 460172, 526060, 575215, 1150430, 2300860, 3598069, 7196138, 14392276, 17990345, 35980690, 71961380, 104344001, 208688002, 417376004, 521720005, 1043440010, 2086880020]

約数ペア:

[(1, 2086880020), (2, 1043440010), (4, 521720005), (5, 417376004), (10, 208688002), (20, 104344001), (29, 71961380), (58, 35980690), (116, 17990345), (145, 14392276), (290, 7196138), (580, 3598069), (907, 2300860), (1814, 1150430), (3628, 575215), (3967, 526060), (4535, 460172), (7934, 263030), (9070, 230086), (15868, 131515), (18140, 115043), (19835, 105212), (26303, 79340), (39670, 52606)]