1371213440

素因数分解:

$2^7\times 5^1\times {\mathrm{2142521}}^1$

素因数の和:2142540

約数の個数: 32

約数和(自身を含む): 3278058660

約数和(自身を除く): 1906845220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2142521, 4285042, 8570084, 10712605, 17140168, 21425210, 34280336, 42850420, 68560672, 85700840, 137121344, 171401680, 274242688, 342803360, 685606720, 1371213440]

約数ペア:

[(1, 1371213440), (2, 685606720), (4, 342803360), (5, 274242688), (8, 171401680), (10, 137121344), (16, 85700840), (20, 68560672), (32, 42850420), (40, 34280336), (64, 21425210), (80, 17140168), (128, 10712605), (160, 8570084), (320, 4285042), (640, 2142521)]