2147752840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{756251}}^1$

素因数の和:756333

約数の個数: 32

約数和(自身を含む): 4900512960

約数和(自身を除く): 2752760120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 756251, 1512502, 3025004, 3781255, 6050008, 7562510, 15125020, 30250040, 53693821, 107387642, 214775284, 268469105, 429550568, 536938210, 1073876420, 2147752840]

約数ペア:

[(1, 2147752840), (2, 1073876420), (4, 536938210), (5, 429550568), (8, 268469105), (10, 214775284), (20, 107387642), (40, 53693821), (71, 30250040), (142, 15125020), (284, 7562510), (355, 6050008), (568, 3781255), (710, 3025004), (1420, 1512502), (2840, 756251)]