8019810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{9901}}^1$

素因数の和:9920

約数の個数: 40

約数和(自身を含む): 21566556

約数和(自身を除く): 13546746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 9901, 19802, 29703, 49505, 59406, 89109, 99010, 148515, 178218, 267327, 297030, 445545, 534654, 801981, 891090, 1336635, 1603962, 2673270, 4009905, 8019810]

約数ペア:

[(1, 8019810), (2, 4009905), (3, 2673270), (5, 1603962), (6, 1336635), (9, 891090), (10, 801981), (15, 534654), (18, 445545), (27, 297030), (30, 267327), (45, 178218), (54, 148515), (81, 99010), (90, 89109), (135, 59406), (162, 49505), (270, 29703), (405, 19802), (810, 9901)]