13871260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 32401152

約数和(自身を除く): 18529892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1721, 2015, 3442, 4030, 6884, 8060, 8605, 17210, 22373, 34420, 44746, 53351, 89492, 106702, 111865, 213404, 223730, 266755, 447460, 533510, 693563, 1067020, 1387126, 2774252, 3467815, 6935630, 13871260]

約数ペア:

[(1, 13871260), (2, 6935630), (4, 3467815), (5, 2774252), (10, 1387126), (13, 1067020), (20, 693563), (26, 533510), (31, 447460), (52, 266755), (62, 223730), (65, 213404), (124, 111865), (130, 106702), (155, 89492), (260, 53351), (310, 44746), (403, 34420), (620, 22373), (806, 17210), (1612, 8605), (1721, 8060), (2015, 6884), (3442, 4030)]