72787240

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2503}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 164062080

約数和(自身を除く): 91274840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2503, 2908, 3635, 5006, 5816, 7270, 10012, 12515, 14540, 20024, 25030, 29080, 50060, 100120, 1819681, 3639362, 7278724, 9098405, 14557448, 18196810, 36393620, 72787240]

約数ペア:

[(1, 72787240), (2, 36393620), (4, 18196810), (5, 14557448), (8, 9098405), (10, 7278724), (20, 3639362), (40, 1819681), (727, 100120), (1454, 50060), (2503, 29080), (2908, 25030), (3635, 20024), (5006, 14540), (5816, 12515), (7270, 10012)]