26367920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8039}}^1$

素因数の和:8093

約数の個数: 40

約数和(自身を含む): 62808480

約数和(自身を除く): 36440560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8039, 16078, 32156, 40195, 64312, 80390, 128624, 160780, 321560, 329599, 643120, 659198, 1318396, 1647995, 2636792, 3295990, 5273584, 6591980, 13183960, 26367920]

約数ペア:

[(1, 26367920), (2, 13183960), (4, 6591980), (5, 5273584), (8, 3295990), (10, 2636792), (16, 1647995), (20, 1318396), (40, 659198), (41, 643120), (80, 329599), (82, 321560), (164, 160780), (205, 128624), (328, 80390), (410, 64312), (656, 40195), (820, 32156), (1640, 16078), (3280, 8039)]