28180360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54193}}^1$

素因数の和:54217

約数の個数: 32

約数和(自身を含む): 68284440

約数和(自身を除く): 40104080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54193, 108386, 216772, 270965, 433544, 541930, 704509, 1083860, 1409018, 2167720, 2818036, 3522545, 5636072, 7045090, 14090180, 28180360]

約数ペア:

[(1, 28180360), (2, 14090180), (4, 7045090), (5, 5636072), (8, 3522545), (10, 2818036), (13, 2167720), (20, 1409018), (26, 1083860), (40, 704509), (52, 541930), (65, 433544), (104, 270965), (130, 216772), (260, 108386), (520, 54193)]