28609820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75289}}^1$

素因数の和:75317

約数の個数: 24

約数和(自身を含む): 63243600

約数和(自身を除く): 34633780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75289, 150578, 301156, 376445, 752890, 1430491, 1505780, 2860982, 5721964, 7152455, 14304910, 28609820]

約数ペア:

[(1, 28609820), (2, 14304910), (4, 7152455), (5, 5721964), (10, 2860982), (19, 1505780), (20, 1430491), (38, 752890), (76, 376445), (95, 301156), (190, 150578), (380, 75289)]