28408220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61757}}^1$

素因数の和:61789

約数の個数: 24

約数和(自身を含む): 62252064

約数和(自身を除く): 33843844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61757, 123514, 247028, 308785, 617570, 1235140, 1420411, 2840822, 5681644, 7102055, 14204110, 28408220]

約数ペア:

[(1, 28408220), (2, 14204110), (4, 7102055), (5, 5681644), (10, 2840822), (20, 1420411), (23, 1235140), (46, 617570), (92, 308785), (115, 247028), (230, 123514), (460, 61757)]