26779040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5399}}^1$

素因数の和:5445

約数の個数: 48

約数和(自身を含む): 65318400

約数和(自身を除く): 38539360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5399, 10798, 21596, 26995, 43192, 53990, 86384, 107980, 167369, 172768, 215960, 334738, 431920, 669476, 836845, 863840, 1338952, 1673690, 2677904, 3347380, 5355808, 6694760, 13389520, 26779040]

約数ペア:

[(1, 26779040), (2, 13389520), (4, 6694760), (5, 5355808), (8, 3347380), (10, 2677904), (16, 1673690), (20, 1338952), (31, 863840), (32, 836845), (40, 669476), (62, 431920), (80, 334738), (124, 215960), (155, 172768), (160, 167369), (248, 107980), (310, 86384), (496, 53990), (620, 43192), (992, 26995), (1240, 21596), (2480, 10798), (4960, 5399)]