28235750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 53879904

約数和(自身を除く): 25644154

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 2131, 2650, 4262, 6625, 10655, 13250, 21310, 53275, 106550, 112943, 225886, 266375, 532750, 564715, 1129430, 2823575, 5647150, 14117875, 28235750]

約数ペア:

[(1, 28235750), (2, 14117875), (5, 5647150), (10, 2823575), (25, 1129430), (50, 564715), (53, 532750), (106, 266375), (125, 225886), (250, 112943), (265, 106550), (530, 53275), (1325, 21310), (2131, 13250), (2650, 10655), (4262, 6625)]