28237760

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1213

約数の個数: 56

約数和(自身を含む): 68153280

約数和(自身を除く): 39915520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1117, 1264, 1580, 2234, 2528, 3160, 4468, 5056, 5585, 6320, 8936, 11170, 12640, 17872, 22340, 25280, 35744, 44680, 71488, 88243, 89360, 176486, 178720, 352972, 357440, 441215, 705944, 882430, 1411888, 1764860, 2823776, 3529720, 5647552, 7059440, 14118880, 28237760]

約数ペア:

[(1, 28237760), (2, 14118880), (4, 7059440), (5, 5647552), (8, 3529720), (10, 2823776), (16, 1764860), (20, 1411888), (32, 882430), (40, 705944), (64, 441215), (79, 357440), (80, 352972), (158, 178720), (160, 176486), (316, 89360), (320, 88243), (395, 71488), (632, 44680), (790, 35744), (1117, 25280), (1264, 22340), (1580, 17872), (2234, 12640), (2528, 11170), (3160, 8936), (4468, 6320), (5056, 5585)]