19769200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4493}}^1$

素因数の和:4522

約数の個数: 60

約数和(自身を含む): 51824808

約数和(自身を除く): 32055608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4493, 8986, 17972, 22465, 35944, 44930, 49423, 71888, 89860, 98846, 112325, 179720, 197692, 224650, 247115, 359440, 395384, 449300, 494230, 790768, 898600, 988460, 1235575, 1797200, 1976920, 2471150, 3953840, 4942300, 9884600, 19769200]

約数ペア:

[(1, 19769200), (2, 9884600), (4, 4942300), (5, 3953840), (8, 2471150), (10, 1976920), (11, 1797200), (16, 1235575), (20, 988460), (22, 898600), (25, 790768), (40, 494230), (44, 449300), (50, 395384), (55, 359440), (80, 247115), (88, 224650), (100, 197692), (110, 179720), (176, 112325), (200, 98846), (220, 89860), (275, 71888), (400, 49423), (440, 44930), (550, 35944), (880, 22465), (1100, 17972), (2200, 8986), (4400, 4493)]