4421120

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 80

約数和(自身を含む): 11637648

約数和(自身を除く): 7216528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 157, 160, 176, 220, 256, 314, 320, 352, 440, 512, 628, 640, 704, 785, 880, 1256, 1280, 1408, 1570, 1727, 1760, 2512, 2560, 2816, 3140, 3454, 3520, 5024, 5632, 6280, 6908, 7040, 8635, 10048, 12560, 13816, 14080, 17270, 20096, 25120, 27632, 28160, 34540, 40192, 50240, 55264, 69080, 80384, 100480, 110528, 138160, 200960, 221056, 276320, 401920, 442112, 552640, 884224, 1105280, 2210560, 4421120]

約数ペア:

[(1, 4421120), (2, 2210560), (4, 1105280), (5, 884224), (8, 552640), (10, 442112), (11, 401920), (16, 276320), (20, 221056), (22, 200960), (32, 138160), (40, 110528), (44, 100480), (55, 80384), (64, 69080), (80, 55264), (88, 50240), (110, 40192), (128, 34540), (157, 28160), (160, 27632), (176, 25120), (220, 20096), (256, 17270), (314, 14080), (320, 13816), (352, 12560), (440, 10048), (512, 8635), (628, 7040), (640, 6908), (704, 6280), (785, 5632), (880, 5024), (1256, 3520), (1280, 3454), (1408, 3140), (1570, 2816), (1727, 2560), (1760, 2512)]