195984920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{119503}}^1$

素因数の和:119555

約数の個数: 32

約数和(自身を含む): 451725120

約数和(自身を除く): 255740200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 119503, 239006, 478012, 597515, 956024, 1195030, 2390060, 4780120, 4899623, 9799246, 19598492, 24498115, 39196984, 48996230, 97992460, 195984920]

約数ペア:

[(1, 195984920), (2, 97992460), (4, 48996230), (5, 39196984), (8, 24498115), (10, 19598492), (20, 9799246), (40, 4899623), (41, 4780120), (82, 2390060), (164, 1195030), (205, 956024), (328, 597515), (410, 478012), (820, 239006), (1640, 119503)]