28538720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 49698208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 83, 112, 140, 160, 166, 224, 280, 307, 332, 415, 560, 581, 614, 664, 830, 1120, 1162, 1228, 1328, 1535, 1660, 2149, 2324, 2456, 2656, 2905, 3070, 3320, 4298, 4648, 4912, 5810, 6140, 6640, 8596, 9296, 9824, 10745, 11620, 12280, 13280, 17192, 18592, 21490, 23240, 24560, 25481, 34384, 42980, 46480, 49120, 50962, 68768, 85960, 92960, 101924, 127405, 171920, 178367, 203848, 254810, 343840, 356734, 407696, 509620, 713468, 815392, 891835, 1019240, 1426936, 1783670, 2038480, 2853872, 3567340, 4076960, 5707744, 7134680, 14269360, 28538720]

約数ペア:

[(1, 28538720), (2, 14269360), (4, 7134680), (5, 5707744), (7, 4076960), (8, 3567340), (10, 2853872), (14, 2038480), (16, 1783670), (20, 1426936), (28, 1019240), (32, 891835), (35, 815392), (40, 713468), (56, 509620), (70, 407696), (80, 356734), (83, 343840), (112, 254810), (140, 203848), (160, 178367), (166, 171920), (224, 127405), (280, 101924), (307, 92960), (332, 85960), (415, 68768), (560, 50962), (581, 49120), (614, 46480), (664, 42980), (830, 34384), (1120, 25481), (1162, 24560), (1228, 23240), (1328, 21490), (1535, 18592), (1660, 17192), (2149, 13280), (2324, 12280), (2456, 11620), (2656, 10745), (2905, 9824), (3070, 9296), (3320, 8596), (4298, 6640), (4648, 6140), (4912, 5810)]