100112440

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1789}}^1$

素因数の和:3199

約数の個数: 32

約数和(自身を含む): 225540000

約数和(自身を除く): 125427560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 1789, 2798, 3578, 5596, 6995, 7156, 8945, 11192, 13990, 14312, 17890, 27980, 35780, 55960, 71560, 2502811, 5005622, 10011244, 12514055, 20022488, 25028110, 50056220, 100112440]

約数ペア:

[(1, 100112440), (2, 50056220), (4, 25028110), (5, 20022488), (8, 12514055), (10, 10011244), (20, 5005622), (40, 2502811), (1399, 71560), (1789, 55960), (2798, 35780), (3578, 27980), (5596, 17890), (6995, 14312), (7156, 13990), (8945, 11192)]