40887920

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4523}}^1$

素因数の和:4649

約数の個数: 40

約数和(自身を含む): 95926896

約数和(自身を除く): 55038976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 4523, 9040, 9046, 18092, 22615, 36184, 45230, 72368, 90460, 180920, 361840, 511099, 1022198, 2044396, 2555495, 4088792, 5110990, 8177584, 10221980, 20443960, 40887920]

約数ペア:

[(1, 40887920), (2, 20443960), (4, 10221980), (5, 8177584), (8, 5110990), (10, 4088792), (16, 2555495), (20, 2044396), (40, 1022198), (80, 511099), (113, 361840), (226, 180920), (452, 90460), (565, 72368), (904, 45230), (1130, 36184), (1808, 22615), (2260, 18092), (4520, 9046), (4523, 9040)]