25816120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2596

約数の個数: 64

約数和(自身を含む): 66147840

約数和(自身を除く): 40331720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 2551, 5060, 5102, 10120, 10204, 12755, 20408, 25510, 28061, 51020, 56122, 58673, 102040, 112244, 117346, 140305, 224488, 234692, 280610, 293365, 469384, 561220, 586730, 645403, 1122440, 1173460, 1290806, 2346920, 2581612, 3227015, 5163224, 6454030, 12908060, 25816120]

約数ペア:

[(1, 25816120), (2, 12908060), (4, 6454030), (5, 5163224), (8, 3227015), (10, 2581612), (11, 2346920), (20, 1290806), (22, 1173460), (23, 1122440), (40, 645403), (44, 586730), (46, 561220), (55, 469384), (88, 293365), (92, 280610), (110, 234692), (115, 224488), (184, 140305), (220, 117346), (230, 112244), (253, 102040), (440, 58673), (460, 56122), (506, 51020), (920, 28061), (1012, 25510), (1265, 20408), (2024, 12755), (2530, 10204), (2551, 10120), (5060, 5102)]