128664070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{7879}}^1$

素因数の和:7980

約数の個数: 32

約数和(自身を含む): 245099520

約数和(自身を除く): 116435450

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 7879, 8165, 15758, 16330, 39395, 78790, 181217, 362434, 559409, 906085, 1118818, 1812170, 2797045, 5594090, 12866407, 25732814, 64332035, 128664070]

約数ペア:

[(1, 128664070), (2, 64332035), (5, 25732814), (10, 12866407), (23, 5594090), (46, 2797045), (71, 1812170), (115, 1118818), (142, 906085), (230, 559409), (355, 362434), (710, 181217), (1633, 78790), (3266, 39395), (7879, 16330), (8165, 15758)]