71347240

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{7789}}^1$

素因数の和:8029

約数の個数: 32

約数和(自身を含む): 161253000

約数和(自身を除く): 89905760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 7789, 9160, 15578, 31156, 38945, 62312, 77890, 155780, 311560, 1783681, 3567362, 7134724, 8918405, 14269448, 17836810, 35673620, 71347240]

約数ペア:

[(1, 71347240), (2, 35673620), (4, 17836810), (5, 14269448), (8, 8918405), (10, 7134724), (20, 3567362), (40, 1783681), (229, 311560), (458, 155780), (916, 77890), (1145, 62312), (1832, 38945), (2290, 31156), (4580, 15578), (7789, 9160)]