20142800

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1416

約数の個数: 60

約数和(自身を含む): 49737516

約数和(自身を除く): 29594716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1361, 1480, 1850, 2722, 2960, 3700, 5444, 6805, 7400, 10888, 13610, 14800, 21776, 27220, 34025, 50357, 54440, 68050, 100714, 108880, 136100, 201428, 251785, 272200, 402856, 503570, 544400, 805712, 1007140, 1258925, 2014280, 2517850, 4028560, 5035700, 10071400, 20142800]

約数ペア:

[(1, 20142800), (2, 10071400), (4, 5035700), (5, 4028560), (8, 2517850), (10, 2014280), (16, 1258925), (20, 1007140), (25, 805712), (37, 544400), (40, 503570), (50, 402856), (74, 272200), (80, 251785), (100, 201428), (148, 136100), (185, 108880), (200, 100714), (296, 68050), (370, 54440), (400, 50357), (592, 34025), (740, 27220), (925, 21776), (1361, 14800), (1480, 13610), (1850, 10888), (2722, 7400), (2960, 6805), (3700, 5444)]