56439575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 76914720

約数和(自身を除く): 20475145

約数列:

[1, 5, 17, 25, 41, 79, 85, 205, 395, 425, 697, 1025, 1343, 1681, 1975, 3239, 3485, 6715, 8405, 16195, 17425, 28577, 33575, 42025, 55063, 80975, 132799, 142885, 275315, 663995, 714425, 1376575, 2257583, 3319975, 11287915, 56439575]

約数ペア:

[(1, 56439575), (5, 11287915), (17, 3319975), (25, 2257583), (41, 1376575), (79, 714425), (85, 663995), (205, 275315), (395, 142885), (425, 132799), (697, 80975), (1025, 55063), (1343, 42025), (1681, 33575), (1975, 28577), (3239, 17425), (3485, 16195), (6715, 8405)]