2421812840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{852751}}^1$

素因数の和:852833

約数の個数: 32

約数和(自身を含む): 5525832960

約数和(自身を除く): 3104020120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 852751, 1705502, 3411004, 4263755, 6822008, 8527510, 17055020, 34110040, 60545321, 121090642, 242181284, 302726605, 484362568, 605453210, 1210906420, 2421812840]

約数ペア:

[(1, 2421812840), (2, 1210906420), (4, 605453210), (5, 484362568), (8, 302726605), (10, 242181284), (20, 121090642), (40, 60545321), (71, 34110040), (142, 17055020), (284, 8527510), (355, 6822008), (568, 4263755), (710, 3411004), (1420, 1705502), (2840, 852751)]