2018551280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{681943}}^1$

素因数の和:681993

約数の個数: 40

約数和(自身を含む): 4819980192

約数和(自身を除く): 2801428912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 681943, 1363886, 2727772, 3409715, 5455544, 6819430, 10911088, 13638860, 25231891, 27277720, 50463782, 54555440, 100927564, 126159455, 201855128, 252318910, 403710256, 504637820, 1009275640, 2018551280]

約数ペア:

[(1, 2018551280), (2, 1009275640), (4, 504637820), (5, 403710256), (8, 252318910), (10, 201855128), (16, 126159455), (20, 100927564), (37, 54555440), (40, 50463782), (74, 27277720), (80, 25231891), (148, 13638860), (185, 10911088), (296, 6819430), (370, 5455544), (592, 3409715), (740, 2727772), (1480, 1363886), (2960, 681943)]