509601875

素因数分解:

$5^4\times {\mathrm{503}}^1\times {\mathrm{1621}}^1$

素因数の和:2144

約数の個数: 20

約数和(自身を含む): 638458128

約数和(自身を除く): 128856253

約数列:

[1, 5, 25, 125, 503, 625, 1621, 2515, 8105, 12575, 40525, 62875, 202625, 314375, 815363, 1013125, 4076815, 20384075, 101920375, 509601875]

約数ペア:

[(1, 509601875), (5, 101920375), (25, 20384075), (125, 4076815), (503, 1013125), (625, 815363), (1621, 314375), (2515, 202625), (8105, 62875), (12575, 40525)]