71529040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81283}}^1$

素因数の和:81307

約数の個数: 40

約数和(自身を含む): 181425888

約数和(自身を除く): 109896848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81283, 162566, 325132, 406415, 650264, 812830, 894113, 1300528, 1625660, 1788226, 3251320, 3576452, 4470565, 6502640, 7152904, 8941130, 14305808, 17882260, 35764520, 71529040]

約数ペア:

[(1, 71529040), (2, 35764520), (4, 17882260), (5, 14305808), (8, 8941130), (10, 7152904), (11, 6502640), (16, 4470565), (20, 3576452), (22, 3251320), (40, 1788226), (44, 1625660), (55, 1300528), (80, 894113), (88, 812830), (110, 650264), (176, 406415), (220, 325132), (440, 162566), (880, 81283)]