66205100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 156323328

約数和(自身を除く): 90118228

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 401, 508, 635, 650, 802, 1270, 1300, 1604, 1651, 2005, 2540, 3175, 3302, 4010, 5213, 6350, 6604, 8020, 8255, 10025, 10426, 12700, 16510, 20050, 20852, 26065, 33020, 40100, 41275, 50927, 52130, 82550, 101854, 104260, 130325, 165100, 203708, 254635, 260650, 509270, 521300, 662051, 1018540, 1273175, 1324102, 2546350, 2648204, 3310255, 5092700, 6620510, 13241020, 16551275, 33102550, 66205100]

約数ペア:

[(1, 66205100), (2, 33102550), (4, 16551275), (5, 13241020), (10, 6620510), (13, 5092700), (20, 3310255), (25, 2648204), (26, 2546350), (50, 1324102), (52, 1273175), (65, 1018540), (100, 662051), (127, 521300), (130, 509270), (254, 260650), (260, 254635), (325, 203708), (401, 165100), (508, 130325), (635, 104260), (650, 101854), (802, 82550), (1270, 52130), (1300, 50927), (1604, 41275), (1651, 40100), (2005, 33020), (2540, 26065), (3175, 20852), (3302, 20050), (4010, 16510), (5213, 12700), (6350, 10426), (6604, 10025), (8020, 8255)]