83887240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67651}}^1$

素因数の和:67693

約数の個数: 32

約数和(自身を含む): 194837760

約数和(自身を除く): 110950520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 67651, 135302, 270604, 338255, 541208, 676510, 1353020, 2097181, 2706040, 4194362, 8388724, 10485905, 16777448, 20971810, 41943620, 83887240]

約数ペア:

[(1, 83887240), (2, 41943620), (4, 20971810), (5, 16777448), (8, 10485905), (10, 8388724), (20, 4194362), (31, 2706040), (40, 2097181), (62, 1353020), (124, 676510), (155, 541208), (248, 338255), (310, 270604), (620, 135302), (1240, 67651)]