1718542040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1385921}}^1$

素因数の和:1385963

約数の個数: 32

約数和(自身を含む): 3991455360

約数和(自身を除く): 2272913320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1385921, 2771842, 5543684, 6929605, 11087368, 13859210, 27718420, 42963551, 55436840, 85927102, 171854204, 214817755, 343708408, 429635510, 859271020, 1718542040]

約数ペア:

[(1, 1718542040), (2, 859271020), (4, 429635510), (5, 343708408), (8, 214817755), (10, 171854204), (20, 85927102), (31, 55436840), (40, 42963551), (62, 27718420), (124, 13859210), (155, 11087368), (248, 6929605), (310, 5543684), (620, 2771842), (1240, 1385921)]