256542575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{887}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 332978688

約数和(自身を除く): 76436113

約数列:

[1, 5, 23, 25, 115, 503, 575, 887, 2515, 4435, 11569, 12575, 20401, 22175, 57845, 102005, 289225, 446161, 510025, 2230805, 10261703, 11154025, 51308515, 256542575]

約数ペア:

[(1, 256542575), (5, 51308515), (23, 11154025), (25, 10261703), (115, 2230805), (503, 510025), (575, 446161), (887, 289225), (2515, 102005), (4435, 57845), (11569, 22175), (12575, 20401)]