19572800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:976

約数の個数: 84

約数和(自身を含む): 51921156

約数和(自身を除く): 32348356

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 941, 1040, 1300, 1600, 1882, 2080, 2600, 3764, 4160, 4705, 5200, 7528, 9410, 10400, 12233, 15056, 18820, 20800, 23525, 24466, 30112, 37640, 47050, 48932, 60224, 61165, 75280, 94100, 97864, 122330, 150560, 188200, 195728, 244660, 301120, 305825, 376400, 391456, 489320, 611650, 752800, 782912, 978640, 1223300, 1505600, 1957280, 2446600, 3914560, 4893200, 9786400, 19572800]

約数ペア:

[(1, 19572800), (2, 9786400), (4, 4893200), (5, 3914560), (8, 2446600), (10, 1957280), (13, 1505600), (16, 1223300), (20, 978640), (25, 782912), (26, 752800), (32, 611650), (40, 489320), (50, 391456), (52, 376400), (64, 305825), (65, 301120), (80, 244660), (100, 195728), (104, 188200), (130, 150560), (160, 122330), (200, 97864), (208, 94100), (260, 75280), (320, 61165), (325, 60224), (400, 48932), (416, 47050), (520, 37640), (650, 30112), (800, 24466), (832, 23525), (941, 20800), (1040, 18820), (1300, 15056), (1600, 12233), (1882, 10400), (2080, 9410), (2600, 7528), (3764, 5200), (4160, 4705)]