201991360

素因数分解:

$2^6\times 5^1\times {\mathrm{631223}}^1$

素因数の和:631240

約数の個数: 28

約数和(自身を含む): 480992688

約数和(自身を除く): 279001328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 631223, 1262446, 2524892, 3156115, 5049784, 6312230, 10099568, 12624460, 20199136, 25248920, 40398272, 50497840, 100995680, 201991360]

約数ペア:

[(1, 201991360), (2, 100995680), (4, 50497840), (5, 40398272), (8, 25248920), (10, 20199136), (16, 12624460), (20, 10099568), (32, 6312230), (40, 5049784), (64, 3156115), (80, 2524892), (160, 1262446), (320, 631223)]