25187800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^2$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 64488060

約数和(自身を除く): 39300260

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 107, 110, 200, 214, 220, 275, 428, 440, 535, 550, 856, 1070, 1100, 1177, 2140, 2200, 2354, 2675, 4280, 4708, 5350, 5885, 9416, 10700, 11449, 11770, 21400, 22898, 23540, 29425, 45796, 47080, 57245, 58850, 91592, 114490, 117700, 125939, 228980, 235400, 251878, 286225, 457960, 503756, 572450, 629695, 1007512, 1144900, 1259390, 2289800, 2518780, 3148475, 5037560, 6296950, 12593900, 25187800]

約数ペア:

[(1, 25187800), (2, 12593900), (4, 6296950), (5, 5037560), (8, 3148475), (10, 2518780), (11, 2289800), (20, 1259390), (22, 1144900), (25, 1007512), (40, 629695), (44, 572450), (50, 503756), (55, 457960), (88, 286225), (100, 251878), (107, 235400), (110, 228980), (200, 125939), (214, 117700), (220, 114490), (275, 91592), (428, 58850), (440, 57245), (535, 47080), (550, 45796), (856, 29425), (1070, 23540), (1100, 22898), (1177, 21400), (2140, 11770), (2200, 11449), (2354, 10700), (2675, 9416), (4280, 5885), (4708, 5350)]