2013325520

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{222713}}^1$

素因数の和:222839

約数の個数: 40

約数和(自身を含む): 4722427656

約数和(自身を除く): 2709102136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 222713, 445426, 890852, 1113565, 1781704, 2227130, 3563408, 4454260, 8908520, 17817040, 25166569, 50333138, 100666276, 125832845, 201332552, 251665690, 402665104, 503331380, 1006662760, 2013325520]

約数ペア:

[(1, 2013325520), (2, 1006662760), (4, 503331380), (5, 402665104), (8, 251665690), (10, 201332552), (16, 125832845), (20, 100666276), (40, 50333138), (80, 25166569), (113, 17817040), (226, 8908520), (452, 4454260), (565, 3563408), (904, 2227130), (1130, 1781704), (1808, 1113565), (2260, 890852), (4520, 445426), (9040, 222713)]