72881750

素因数分解:

$2^1\times 5^3\times {\mathrm{401}}^1\times {\mathrm{727}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 136963008

約数和(自身を除く): 64081258

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 401, 727, 802, 1454, 2005, 3635, 4010, 7270, 10025, 18175, 20050, 36350, 50125, 90875, 100250, 181750, 291527, 583054, 1457635, 2915270, 7288175, 14576350, 36440875, 72881750]

約数ペア:

[(1, 72881750), (2, 36440875), (5, 14576350), (10, 7288175), (25, 2915270), (50, 1457635), (125, 583054), (250, 291527), (401, 181750), (727, 100250), (802, 90875), (1454, 50125), (2005, 36350), (3635, 20050), (4010, 18175), (7270, 10025)]