28406500

素因数分解:

$2^2\times 5^3\times {\mathrm{56813}}^1$

素因数の和:56832

約数の個数: 24

約数和(自身を含む): 62040888

約数和(自身を除く): 33634388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 56813, 113626, 227252, 284065, 568130, 1136260, 1420325, 2840650, 5681300, 7101625, 14203250, 28406500]

約数ペア:

[(1, 28406500), (2, 14203250), (4, 7101625), (5, 5681300), (10, 2840650), (20, 1420325), (25, 1136260), (50, 568130), (100, 284065), (125, 227252), (250, 113626), (500, 56813)]