28509320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3511}}^1$

素因数の和:3558

約数の個数: 64

約数和(自身を含む): 75859200

約数和(自身を除く): 47349880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3511, 4060, 7022, 8120, 14044, 17555, 24577, 28088, 35110, 49154, 70220, 98308, 101819, 122885, 140440, 196616, 203638, 245770, 407276, 491540, 509095, 712733, 814552, 983080, 1018190, 1425466, 2036380, 2850932, 3563665, 4072760, 5701864, 7127330, 14254660, 28509320]

約数ペア:

[(1, 28509320), (2, 14254660), (4, 7127330), (5, 5701864), (7, 4072760), (8, 3563665), (10, 2850932), (14, 2036380), (20, 1425466), (28, 1018190), (29, 983080), (35, 814552), (40, 712733), (56, 509095), (58, 491540), (70, 407276), (116, 245770), (140, 203638), (145, 196616), (203, 140440), (232, 122885), (280, 101819), (290, 98308), (406, 70220), (580, 49154), (812, 35110), (1015, 28088), (1160, 24577), (1624, 17555), (2030, 14044), (3511, 8120), (4060, 7022)]