27997600

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 72

約数和(自身を含む): 69370560

約数和(自身を除く): 41372960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 443, 632, 790, 800, 886, 1264, 1580, 1772, 1975, 2215, 2528, 3160, 3544, 3950, 4430, 6320, 7088, 7900, 8860, 11075, 12640, 14176, 15800, 17720, 22150, 31600, 34997, 35440, 44300, 63200, 69994, 70880, 88600, 139988, 174985, 177200, 279976, 349970, 354400, 559952, 699940, 874925, 1119904, 1399880, 1749850, 2799760, 3499700, 5599520, 6999400, 13998800, 27997600]

約数ペア:

[(1, 27997600), (2, 13998800), (4, 6999400), (5, 5599520), (8, 3499700), (10, 2799760), (16, 1749850), (20, 1399880), (25, 1119904), (32, 874925), (40, 699940), (50, 559952), (79, 354400), (80, 349970), (100, 279976), (158, 177200), (160, 174985), (200, 139988), (316, 88600), (395, 70880), (400, 69994), (443, 63200), (632, 44300), (790, 35440), (800, 34997), (886, 31600), (1264, 22150), (1580, 17720), (1772, 15800), (1975, 14176), (2215, 12640), (2528, 11075), (3160, 8860), (3544, 7900), (3950, 7088), (4430, 6320)]