72817840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31387}}^1$

素因数の和:31429

約数の個数: 40

約数和(自身を含む): 175145040

約数和(自身を除く): 102327200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 31387, 62774, 125548, 156935, 251096, 313870, 502192, 627740, 910223, 1255480, 1820446, 2510960, 3640892, 4551115, 7281784, 9102230, 14563568, 18204460, 36408920, 72817840]

約数ペア:

[(1, 72817840), (2, 36408920), (4, 18204460), (5, 14563568), (8, 9102230), (10, 7281784), (16, 4551115), (20, 3640892), (29, 2510960), (40, 1820446), (58, 1255480), (80, 910223), (116, 627740), (145, 502192), (232, 313870), (290, 251096), (464, 156935), (580, 125548), (1160, 62774), (2320, 31387)]