201882440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{12713}}^1$

素因数の和:13121

約数の個数: 32

約数和(自身を含む): 455415480

約数和(自身を除く): 253533040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 12713, 15880, 25426, 50852, 63565, 101704, 127130, 254260, 508520, 5047061, 10094122, 20188244, 25235305, 40376488, 50470610, 100941220, 201882440]

約数ペア:

[(1, 201882440), (2, 100941220), (4, 50470610), (5, 40376488), (8, 25235305), (10, 20188244), (20, 10094122), (40, 5047061), (397, 508520), (794, 254260), (1588, 127130), (1985, 101704), (3176, 63565), (3970, 50852), (7940, 25426), (12713, 15880)]