251071360

素因数分解:

$2^7\times 5^1\times {\mathrm{392299}}^1$

素因数の和:392318

約数の個数: 32

約数和(自身を含む): 600219000

約数和(自身を除く): 349147640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 392299, 784598, 1569196, 1961495, 3138392, 3922990, 6276784, 7845980, 12553568, 15691960, 25107136, 31383920, 50214272, 62767840, 125535680, 251071360]

約数ペア:

[(1, 251071360), (2, 125535680), (4, 62767840), (5, 50214272), (8, 31383920), (10, 25107136), (16, 15691960), (20, 12553568), (32, 7845980), (40, 6276784), (64, 3922990), (80, 3138392), (128, 1961495), (160, 1569196), (320, 784598), (640, 392299)]