38339920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11689}}^1$

素因数の和:11743

約数の個数: 40

約数和(自身を含む): 91322280

約数和(自身を除く): 52982360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 11689, 23378, 46756, 58445, 93512, 116890, 187024, 233780, 467560, 479249, 935120, 958498, 1916996, 2396245, 3833992, 4792490, 7667984, 9584980, 19169960, 38339920]

約数ペア:

[(1, 38339920), (2, 19169960), (4, 9584980), (5, 7667984), (8, 4792490), (10, 3833992), (16, 2396245), (20, 1916996), (40, 958498), (41, 935120), (80, 479249), (82, 467560), (164, 233780), (205, 187024), (328, 116890), (410, 93512), (656, 58445), (820, 46756), (1640, 23378), (3280, 11689)]