25888920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{487}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 78001920

約数和(自身を除く): 52113000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 443, 487, 886, 974, 1329, 1461, 1772, 1948, 2215, 2435, 2658, 2922, 3544, 3896, 4430, 4870, 5316, 5844, 6645, 7305, 8860, 9740, 10632, 11688, 13290, 14610, 17720, 19480, 26580, 29220, 53160, 58440, 215741, 431482, 647223, 862964, 1078705, 1294446, 1725928, 2157410, 2588892, 3236115, 4314820, 5177784, 6472230, 8629640, 12944460, 25888920]

約数ペア:

[(1, 25888920), (2, 12944460), (3, 8629640), (4, 6472230), (5, 5177784), (6, 4314820), (8, 3236115), (10, 2588892), (12, 2157410), (15, 1725928), (20, 1294446), (24, 1078705), (30, 862964), (40, 647223), (60, 431482), (120, 215741), (443, 58440), (487, 53160), (886, 29220), (974, 26580), (1329, 19480), (1461, 17720), (1772, 14610), (1948, 13290), (2215, 11688), (2435, 10632), (2658, 9740), (2922, 8860), (3544, 7305), (3896, 6645), (4430, 5844), (4870, 5316)]