8880520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20183}}^1$

素因数の和:20205

約数の個数: 32

約数和(自身を含む): 21798720

約数和(自身を除く): 12918200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20183, 40366, 80732, 100915, 161464, 201830, 222013, 403660, 444026, 807320, 888052, 1110065, 1776104, 2220130, 4440260, 8880520]

約数ペア:

[(1, 8880520), (2, 4440260), (4, 2220130), (5, 1776104), (8, 1110065), (10, 888052), (11, 807320), (20, 444026), (22, 403660), (40, 222013), (44, 201830), (55, 161464), (88, 100915), (110, 80732), (220, 40366), (440, 20183)]