28547680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 49834400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 359, 497, 560, 568, 710, 718, 994, 1120, 1136, 1420, 1436, 1795, 1988, 2272, 2485, 2513, 2840, 2872, 3590, 3976, 4970, 5026, 5680, 5744, 7180, 7952, 9940, 10052, 11360, 11488, 12565, 14360, 15904, 19880, 20104, 25130, 25489, 28720, 39760, 40208, 50260, 50978, 57440, 79520, 80416, 100520, 101956, 127445, 178423, 201040, 203912, 254890, 356846, 402080, 407824, 509780, 713692, 815648, 892115, 1019560, 1427384, 1784230, 2039120, 2854768, 3568460, 4078240, 5709536, 7136920, 14273840, 28547680]

約数ペア:

[(1, 28547680), (2, 14273840), (4, 7136920), (5, 5709536), (7, 4078240), (8, 3568460), (10, 2854768), (14, 2039120), (16, 1784230), (20, 1427384), (28, 1019560), (32, 892115), (35, 815648), (40, 713692), (56, 509780), (70, 407824), (71, 402080), (80, 356846), (112, 254890), (140, 203912), (142, 201040), (160, 178423), (224, 127445), (280, 101956), (284, 100520), (355, 80416), (359, 79520), (497, 57440), (560, 50978), (568, 50260), (710, 40208), (718, 39760), (994, 28720), (1120, 25489), (1136, 25130), (1420, 20104), (1436, 19880), (1795, 15904), (1988, 14360), (2272, 12565), (2485, 11488), (2513, 11360), (2840, 10052), (2872, 9940), (3590, 7952), (3976, 7180), (4970, 5744), (5026, 5680)]