2051255320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{722273}}^1$

素因数の和:722355

約数の個数: 32

約数和(自身を含む): 4680335520

約数和(自身を除く): 2629080200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 722273, 1444546, 2889092, 3611365, 5778184, 7222730, 14445460, 28890920, 51281383, 102562766, 205125532, 256406915, 410251064, 512813830, 1025627660, 2051255320]

約数ペア:

[(1, 2051255320), (2, 1025627660), (4, 512813830), (5, 410251064), (8, 256406915), (10, 205125532), (20, 102562766), (40, 51281383), (71, 28890920), (142, 14445460), (284, 7222730), (355, 5778184), (568, 3611365), (710, 2889092), (1420, 1444546), (2840, 722273)]