25774420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2593}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 62754048

約数和(自身を除く): 36979628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2593, 4970, 5186, 9940, 10372, 12965, 18151, 25930, 36302, 51860, 72604, 90755, 181510, 184103, 363020, 368206, 736412, 920515, 1288721, 1841030, 2577442, 3682060, 5154884, 6443605, 12887210, 25774420]

約数ペア:

[(1, 25774420), (2, 12887210), (4, 6443605), (5, 5154884), (7, 3682060), (10, 2577442), (14, 1841030), (20, 1288721), (28, 920515), (35, 736412), (70, 368206), (71, 363020), (140, 184103), (142, 181510), (284, 90755), (355, 72604), (497, 51860), (710, 36302), (994, 25930), (1420, 18151), (1988, 12965), (2485, 10372), (2593, 9940), (4970, 5186)]