40298890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 74183040

約数和(自身を除く): 33884150

約数列:

[1, 2, 5, 10, 71, 142, 211, 269, 355, 422, 538, 710, 1055, 1345, 2110, 2690, 14981, 19099, 29962, 38198, 56759, 74905, 95495, 113518, 149810, 190990, 283795, 567590, 4029889, 8059778, 20149445, 40298890]

約数ペア:

[(1, 40298890), (2, 20149445), (5, 8059778), (10, 4029889), (71, 567590), (142, 283795), (211, 190990), (269, 149810), (355, 113518), (422, 95495), (538, 74905), (710, 56759), (1055, 38198), (1345, 29962), (2110, 19099), (2690, 14981)]