28308800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1396

約数の個数: 84

約数和(自身を含む): 75070716

約数和(自身を除く): 46761916

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, 1040, 1300, 1361, 1600, 2080, 2600, 2722, 4160, 5200, 5444, 6805, 10400, 10888, 13610, 17693, 20800, 21776, 27220, 34025, 35386, 43552, 54440, 68050, 70772, 87104, 88465, 108880, 136100, 141544, 176930, 217760, 272200, 283088, 353860, 435520, 442325, 544400, 566176, 707720, 884650, 1088800, 1132352, 1415440, 1769300, 2177600, 2830880, 3538600, 5661760, 7077200, 14154400, 28308800]

約数ペア:

[(1, 28308800), (2, 14154400), (4, 7077200), (5, 5661760), (8, 3538600), (10, 2830880), (13, 2177600), (16, 1769300), (20, 1415440), (25, 1132352), (26, 1088800), (32, 884650), (40, 707720), (50, 566176), (52, 544400), (64, 442325), (65, 435520), (80, 353860), (100, 283088), (104, 272200), (130, 217760), (160, 176930), (200, 141544), (208, 136100), (260, 108880), (320, 88465), (325, 87104), (400, 70772), (416, 68050), (520, 54440), (650, 43552), (800, 35386), (832, 34025), (1040, 27220), (1300, 21776), (1361, 20800), (1600, 17693), (2080, 13610), (2600, 10888), (2722, 10400), (4160, 6805), (5200, 5444)]