70790120

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6389}}^1$

素因数の和:6677

約数の個数: 32

約数和(自身を含む): 159877800

約数和(自身を除く): 89087680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 6389, 11080, 12778, 25556, 31945, 51112, 63890, 127780, 255560, 1769753, 3539506, 7079012, 8848765, 14158024, 17697530, 35395060, 70790120]

約数ペア:

[(1, 70790120), (2, 35395060), (4, 17697530), (5, 14158024), (8, 8848765), (10, 7079012), (20, 3539506), (40, 1769753), (277, 255560), (554, 127780), (1108, 63890), (1385, 51112), (2216, 31945), (2770, 25556), (5540, 12778), (6389, 11080)]