12815440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14563}}^1$

素因数の和:14587

約数の個数: 40

約数和(自身を含む): 32506848

約数和(自身を除く): 19691408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 14563, 29126, 58252, 72815, 116504, 145630, 160193, 233008, 291260, 320386, 582520, 640772, 800965, 1165040, 1281544, 1601930, 2563088, 3203860, 6407720, 12815440]

約数ペア:

[(1, 12815440), (2, 6407720), (4, 3203860), (5, 2563088), (8, 1601930), (10, 1281544), (11, 1165040), (16, 800965), (20, 640772), (22, 582520), (40, 320386), (44, 291260), (55, 233008), (80, 160193), (88, 145630), (110, 116504), (176, 72815), (220, 58252), (440, 29126), (880, 14563)]