28126250

素因数分解:

$2^1\times 5^4\times {\mathrm{22501}}^1$

素因数の和:22523

約数の個数: 20

約数和(自身を含む): 52722186

約数和(自身を除く): 24595936

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 22501, 45002, 112505, 225010, 562525, 1125050, 2812625, 5625250, 14063125, 28126250]

約数ペア:

[(1, 28126250), (2, 14063125), (5, 5625250), (10, 2812625), (25, 1125050), (50, 562525), (125, 225010), (250, 112505), (625, 45002), (1250, 22501)]