1965141025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{70121}}^1$

素因数の和:70209

約数の個数: 24

約数和(自身を含む): 2608538400

約数和(自身を除く): 643397375

約数列:

[1, 5, 19, 25, 59, 95, 295, 475, 1121, 1475, 5605, 28025, 70121, 350605, 1332299, 1753025, 4137139, 6661495, 20685695, 33307475, 78605641, 103428475, 393028205, 1965141025]

約数ペア:

[(1, 1965141025), (5, 393028205), (19, 103428475), (25, 78605641), (59, 33307475), (95, 20685695), (295, 6661495), (475, 4137139), (1121, 1753025), (1475, 1332299), (5605, 350605), (28025, 70121)]