207876160

素因数分解:

$2^6\times 5^1\times {\mathrm{649613}}^1$

素因数の和:649630

約数の個数: 28

約数和(自身を含む): 495005868

約数和(自身を除く): 287129708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 649613, 1299226, 2598452, 3248065, 5196904, 6496130, 10393808, 12992260, 20787616, 25984520, 41575232, 51969040, 103938080, 207876160]

約数ペア:

[(1, 207876160), (2, 103938080), (4, 51969040), (5, 41575232), (8, 25984520), (10, 20787616), (16, 12992260), (20, 10393808), (32, 6496130), (40, 5196904), (64, 3248065), (80, 2598452), (160, 1299226), (320, 649613)]