200071780

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{17581}}^1$

素因数の和:18159

約数の個数: 24

約数和(自身を含む): 420913080

約数和(自身を除く): 220841300

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 11380, 17581, 35162, 70324, 87905, 175810, 351620, 10003589, 20007178, 40014356, 50017945, 100035890, 200071780]

約数ペア:

[(1, 200071780), (2, 100035890), (4, 50017945), (5, 40014356), (10, 20007178), (20, 10003589), (569, 351620), (1138, 175810), (2276, 87905), (2845, 70324), (5690, 35162), (11380, 17581)]