571160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 1306800

約数和(自身を除く): 735640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 131, 218, 262, 436, 524, 545, 655, 872, 1048, 1090, 1310, 2180, 2620, 4360, 5240, 14279, 28558, 57116, 71395, 114232, 142790, 285580, 571160]

約数ペア:

[(1, 571160), (2, 285580), (4, 142790), (5, 114232), (8, 71395), (10, 57116), (20, 28558), (40, 14279), (109, 5240), (131, 4360), (218, 2620), (262, 2180), (436, 1310), (524, 1090), (545, 1048), (655, 872)]