99291280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{112831}}^1$

素因数の和:112855

約数の個数: 40

約数和(自身を含む): 251841024

約数和(自身を除く): 152549744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 112831, 225662, 451324, 564155, 902648, 1128310, 1241141, 1805296, 2256620, 2482282, 4513240, 4964564, 6205705, 9026480, 9929128, 12411410, 19858256, 24822820, 49645640, 99291280]

約数ペア:

[(1, 99291280), (2, 49645640), (4, 24822820), (5, 19858256), (8, 12411410), (10, 9929128), (11, 9026480), (16, 6205705), (20, 4964564), (22, 4513240), (40, 2482282), (44, 2256620), (55, 1805296), (80, 1241141), (88, 1128310), (110, 902648), (176, 564155), (220, 451324), (440, 225662), (880, 112831)]