21955600

素因数分解:

$2^4\times 5^2\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 60

約数和(自身を含む): 53277840

約数和(自身を除く): 31322240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 131, 200, 262, 400, 419, 524, 655, 838, 1048, 1310, 1676, 2095, 2096, 2620, 3275, 3352, 4190, 5240, 6550, 6704, 8380, 10475, 10480, 13100, 16760, 20950, 26200, 33520, 41900, 52400, 54889, 83800, 109778, 167600, 219556, 274445, 439112, 548890, 878224, 1097780, 1372225, 2195560, 2744450, 4391120, 5488900, 10977800, 21955600]

約数ペア:

[(1, 21955600), (2, 10977800), (4, 5488900), (5, 4391120), (8, 2744450), (10, 2195560), (16, 1372225), (20, 1097780), (25, 878224), (40, 548890), (50, 439112), (80, 274445), (100, 219556), (131, 167600), (200, 109778), (262, 83800), (400, 54889), (419, 52400), (524, 41900), (655, 33520), (838, 26200), (1048, 20950), (1310, 16760), (1676, 13100), (2095, 10480), (2096, 10475), (2620, 8380), (3275, 6704), (3352, 6550), (4190, 5240)]