1225160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 2791800

約数和(自身を除く): 1566640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 281, 436, 545, 562, 872, 1090, 1124, 1405, 2180, 2248, 2810, 4360, 5620, 11240, 30629, 61258, 122516, 153145, 245032, 306290, 612580, 1225160]

約数ペア:

[(1, 1225160), (2, 612580), (4, 306290), (5, 245032), (8, 153145), (10, 122516), (20, 61258), (40, 30629), (109, 11240), (218, 5620), (281, 4360), (436, 2810), (545, 2248), (562, 2180), (872, 1405), (1090, 1124)]