28072360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22639}}^1$

素因数の和:22681

約数の個数: 32

約数和(自身を含む): 65203200

約数和(自身を除く): 37130840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22639, 45278, 90556, 113195, 181112, 226390, 452780, 701809, 905560, 1403618, 2807236, 3509045, 5614472, 7018090, 14036180, 28072360]

約数ペア:

[(1, 28072360), (2, 14036180), (4, 7018090), (5, 5614472), (8, 3509045), (10, 2807236), (20, 1403618), (31, 905560), (40, 701809), (62, 452780), (124, 226390), (155, 181112), (248, 113195), (310, 90556), (620, 45278), (1240, 22639)]