2173520

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 5122440

約数和(自身を除く): 2948920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 269, 404, 505, 538, 808, 1010, 1076, 1345, 1616, 2020, 2152, 2690, 4040, 4304, 5380, 8080, 10760, 21520, 27169, 54338, 108676, 135845, 217352, 271690, 434704, 543380, 1086760, 2173520]

約数ペア:

[(1, 2173520), (2, 1086760), (4, 543380), (5, 434704), (8, 271690), (10, 217352), (16, 135845), (20, 108676), (40, 54338), (80, 27169), (101, 21520), (202, 10760), (269, 8080), (404, 5380), (505, 4304), (538, 4040), (808, 2690), (1010, 2152), (1076, 2020), (1345, 1616)]