12356840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 29808000

約数和(自身を除く): 17451160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 229, 284, 355, 380, 458, 568, 710, 760, 916, 1145, 1349, 1420, 1832, 2290, 2698, 2840, 4351, 4580, 5396, 6745, 8702, 9160, 10792, 13490, 16259, 17404, 21755, 26980, 32518, 34808, 43510, 53960, 65036, 81295, 87020, 130072, 162590, 174040, 308921, 325180, 617842, 650360, 1235684, 1544605, 2471368, 3089210, 6178420, 12356840]

約数ペア:

[(1, 12356840), (2, 6178420), (4, 3089210), (5, 2471368), (8, 1544605), (10, 1235684), (19, 650360), (20, 617842), (38, 325180), (40, 308921), (71, 174040), (76, 162590), (95, 130072), (142, 87020), (152, 81295), (190, 65036), (229, 53960), (284, 43510), (355, 34808), (380, 32518), (458, 26980), (568, 21755), (710, 17404), (760, 16259), (916, 13490), (1145, 10792), (1349, 9160), (1420, 8702), (1832, 6745), (2290, 5396), (2698, 4580), (2840, 4351)]