201244840

素因数分解:

$2^3\times 5^1\times {\mathrm{5031121}}^1$

素因数の和:5031132

約数の個数: 16

約数和(自身を含む): 452800980

約数和(自身を除く): 251556140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5031121, 10062242, 20124484, 25155605, 40248968, 50311210, 100622420, 201244840]

約数ペア:

[(1, 201244840), (2, 100622420), (4, 50311210), (5, 40248968), (8, 25155605), (10, 20124484), (20, 10062242), (40, 5031121)]