28738600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13063}}^1$

素因数の和:13090

約数の個数: 48

約数和(自身を含む): 72897120

約数和(自身を除く): 44158520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 13063, 26126, 52252, 65315, 104504, 130630, 143693, 261260, 287386, 326575, 522520, 574772, 653150, 718465, 1149544, 1306300, 1436930, 2612600, 2873860, 3592325, 5747720, 7184650, 14369300, 28738600]

約数ペア:

[(1, 28738600), (2, 14369300), (4, 7184650), (5, 5747720), (8, 3592325), (10, 2873860), (11, 2612600), (20, 1436930), (22, 1306300), (25, 1149544), (40, 718465), (44, 653150), (50, 574772), (55, 522520), (88, 326575), (100, 287386), (110, 261260), (200, 143693), (220, 130630), (275, 104504), (440, 65315), (550, 52252), (1100, 26126), (2200, 13063)]