25988950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39983}}^1$

素因数の和:40008

約数の個数: 24

約数和(自身を含む): 52059168

約数和(自身を除く): 26070218

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 39983, 79966, 199915, 399830, 519779, 999575, 1039558, 1999150, 2598895, 5197790, 12994475, 25988950]

約数ペア:

[(1, 25988950), (2, 12994475), (5, 5197790), (10, 2598895), (13, 1999150), (25, 1039558), (26, 999575), (50, 519779), (65, 399830), (130, 199915), (325, 79966), (650, 39983)]