51647240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41651}}^1$

素因数の和:41693

約数の個数: 32

約数和(自身を含む): 119957760

約数和(自身を除く): 68310520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41651, 83302, 166604, 208255, 333208, 416510, 833020, 1291181, 1666040, 2582362, 5164724, 6455905, 10329448, 12911810, 25823620, 51647240]

約数ペア:

[(1, 51647240), (2, 25823620), (4, 12911810), (5, 10329448), (8, 6455905), (10, 5164724), (20, 2582362), (31, 1666040), (40, 1291181), (62, 833020), (124, 416510), (155, 333208), (248, 208255), (310, 166604), (620, 83302), (1240, 41651)]