28475200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:109

約数の個数: 126

約数和(自身を含む): 77551026

約数和(自身を除く): 49075826

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 64, 65, 74, 80, 100, 104, 130, 148, 160, 185, 200, 208, 260, 296, 320, 325, 370, 400, 416, 481, 520, 592, 650, 740, 800, 832, 925, 962, 1040, 1184, 1300, 1369, 1480, 1600, 1850, 1924, 2080, 2368, 2405, 2600, 2738, 2960, 3700, 3848, 4160, 4810, 5200, 5476, 5920, 6845, 7400, 7696, 9620, 10400, 10952, 11840, 12025, 13690, 14800, 15392, 17797, 19240, 20800, 21904, 24050, 27380, 29600, 30784, 34225, 35594, 38480, 43808, 48100, 54760, 59200, 68450, 71188, 76960, 87616, 88985, 96200, 109520, 136900, 142376, 153920, 177970, 192400, 219040, 273800, 284752, 355940, 384800, 438080, 444925, 547600, 569504, 711880, 769600, 889850, 1095200, 1139008, 1423760, 1779700, 2190400, 2847520, 3559400, 5695040, 7118800, 14237600, 28475200]

約数ペア:

[(1, 28475200), (2, 14237600), (4, 7118800), (5, 5695040), (8, 3559400), (10, 2847520), (13, 2190400), (16, 1779700), (20, 1423760), (25, 1139008), (26, 1095200), (32, 889850), (37, 769600), (40, 711880), (50, 569504), (52, 547600), (64, 444925), (65, 438080), (74, 384800), (80, 355940), (100, 284752), (104, 273800), (130, 219040), (148, 192400), (160, 177970), (185, 153920), (200, 142376), (208, 136900), (260, 109520), (296, 96200), (320, 88985), (325, 87616), (370, 76960), (400, 71188), (416, 68450), (481, 59200), (520, 54760), (592, 48100), (650, 43808), (740, 38480), (800, 35594), (832, 34225), (925, 30784), (962, 29600), (1040, 27380), (1184, 24050), (1300, 21904), (1369, 20800), (1480, 19240), (1600, 17797), (1850, 15392), (1924, 14800), (2080, 13690), (2368, 12025), (2405, 11840), (2600, 10952), (2738, 10400), (2960, 9620), (3700, 7696), (3848, 7400), (4160, 6845), (4810, 5920), (5200, 5476)]