28438750

素因数分解:

$2^1\times 5^4\times {\mathrm{22751}}^1$

素因数の和:22773

約数の個数: 20

約数和(自身を含む): 53307936

約数和(自身を除く): 24869186

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 22751, 45502, 113755, 227510, 568775, 1137550, 2843875, 5687750, 14219375, 28438750]

約数ペア:

[(1, 28438750), (2, 14219375), (5, 5687750), (10, 2843875), (25, 1137550), (50, 568775), (125, 227510), (250, 113755), (625, 45502), (1250, 22751)]