87831260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5623}}^1$

素因数の和:5714

約数の個数: 48

約数和(自身を含む): 204083712

約数和(自身を除く): 116252452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 5623, 7810, 11246, 15620, 22492, 28115, 56230, 61853, 112460, 123706, 247412, 309265, 399233, 618530, 798466, 1237060, 1596932, 1996165, 3992330, 4391563, 7984660, 8783126, 17566252, 21957815, 43915630, 87831260]

約数ペア:

[(1, 87831260), (2, 43915630), (4, 21957815), (5, 17566252), (10, 8783126), (11, 7984660), (20, 4391563), (22, 3992330), (44, 1996165), (55, 1596932), (71, 1237060), (110, 798466), (142, 618530), (220, 399233), (284, 309265), (355, 247412), (710, 123706), (781, 112460), (1420, 61853), (1562, 56230), (3124, 28115), (3905, 22492), (5623, 15620), (7810, 11246)]