13501220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 29611008

約数和(自身を除く): 16109788

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 271, 470, 530, 542, 940, 1060, 1084, 1355, 2491, 2710, 4982, 5420, 9964, 12455, 12737, 14363, 24910, 25474, 28726, 49820, 50948, 57452, 63685, 71815, 127370, 143630, 254740, 287260, 675061, 1350122, 2700244, 3375305, 6750610, 13501220]

約数ペア:

[(1, 13501220), (2, 6750610), (4, 3375305), (5, 2700244), (10, 1350122), (20, 675061), (47, 287260), (53, 254740), (94, 143630), (106, 127370), (188, 71815), (212, 63685), (235, 57452), (265, 50948), (271, 49820), (470, 28726), (530, 25474), (542, 24910), (940, 14363), (1060, 12737), (1084, 12455), (1355, 9964), (2491, 5420), (2710, 4982)]