80857570

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 148055040

約数和(自身を除く): 67197470

約数列:

[1, 2, 5, 10, 101, 202, 223, 359, 446, 505, 718, 1010, 1115, 1795, 2230, 3590, 22523, 36259, 45046, 72518, 80057, 112615, 160114, 181295, 225230, 362590, 400285, 800570, 8085757, 16171514, 40428785, 80857570]

約数ペア:

[(1, 80857570), (2, 40428785), (5, 16171514), (10, 8085757), (101, 800570), (202, 400285), (223, 362590), (359, 225230), (446, 181295), (505, 160114), (718, 112615), (1010, 80057), (1115, 72518), (1795, 45046), (2230, 36259), (3590, 22523)]