25397900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2099}}^1$

素因数の和:2135

約数の個数: 54

約数和(自身を含む): 60608100

約数和(自身を除く): 35210200

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2099, 2420, 3025, 4198, 6050, 8396, 10495, 12100, 20990, 23089, 41980, 46178, 52475, 92356, 104950, 115445, 209900, 230890, 253979, 461780, 507958, 577225, 1015916, 1154450, 1269895, 2308900, 2539790, 5079580, 6349475, 12698950, 25397900]

約数ペア:

[(1, 25397900), (2, 12698950), (4, 6349475), (5, 5079580), (10, 2539790), (11, 2308900), (20, 1269895), (22, 1154450), (25, 1015916), (44, 577225), (50, 507958), (55, 461780), (100, 253979), (110, 230890), (121, 209900), (220, 115445), (242, 104950), (275, 92356), (484, 52475), (550, 46178), (605, 41980), (1100, 23089), (1210, 20990), (2099, 12100), (2420, 10495), (3025, 8396), (4198, 6050)]