12213520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13879}}^1$

素因数の和:13903

約数の個数: 40

約数和(自身を含む): 30980160

約数和(自身を除く): 18766640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13879, 27758, 55516, 69395, 111032, 138790, 152669, 222064, 277580, 305338, 555160, 610676, 763345, 1110320, 1221352, 1526690, 2442704, 3053380, 6106760, 12213520]

約数ペア:

[(1, 12213520), (2, 6106760), (4, 3053380), (5, 2442704), (8, 1526690), (10, 1221352), (11, 1110320), (16, 763345), (20, 610676), (22, 555160), (40, 305338), (44, 277580), (55, 222064), (80, 152669), (88, 138790), (110, 111032), (176, 69395), (220, 55516), (440, 27758), (880, 13879)]