85318400

素因数分解:

$2^8\times 5^2\times {\mathrm{13331}}^1$

素因数の和:13357

約数の個数: 54

約数和(自身を含む): 211192212

約数和(自身を除く): 125873812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 13331, 26662, 53324, 66655, 106648, 133310, 213296, 266620, 333275, 426592, 533240, 666550, 853184, 1066480, 1333100, 1706368, 2132960, 2666200, 3412736, 4265920, 5332400, 8531840, 10664800, 17063680, 21329600, 42659200, 85318400]

約数ペア:

[(1, 85318400), (2, 42659200), (4, 21329600), (5, 17063680), (8, 10664800), (10, 8531840), (16, 5332400), (20, 4265920), (25, 3412736), (32, 2666200), (40, 2132960), (50, 1706368), (64, 1333100), (80, 1066480), (100, 853184), (128, 666550), (160, 533240), (200, 426592), (256, 333275), (320, 266620), (400, 213296), (640, 133310), (800, 106648), (1280, 66655), (1600, 53324), (3200, 26662), (6400, 13331)]