139081840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42403}}^1$

素因数の和:42457

約数の個数: 40

約数和(自身を含む): 331260048

約数和(自身を除く): 192178208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 42403, 84806, 169612, 212015, 339224, 424030, 678448, 848060, 1696120, 1738523, 3392240, 3477046, 6954092, 8692615, 13908184, 17385230, 27816368, 34770460, 69540920, 139081840]

約数ペア:

[(1, 139081840), (2, 69540920), (4, 34770460), (5, 27816368), (8, 17385230), (10, 13908184), (16, 8692615), (20, 6954092), (40, 3477046), (41, 3392240), (80, 1738523), (82, 1696120), (164, 848060), (205, 678448), (328, 424030), (410, 339224), (656, 212015), (820, 169612), (1640, 84806), (3280, 42403)]