81609450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41851}}^1$

素因数の和:41879

約数の個数: 48

約数和(自身を含む): 217965216

約数和(自身を除く): 136355766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 41851, 83702, 125553, 209255, 251106, 418510, 544063, 627765, 1046275, 1088126, 1255530, 1632189, 2092550, 2720315, 3138825, 3264378, 5440630, 6277650, 8160945, 13601575, 16321890, 27203150, 40804725, 81609450]

約数ペア:

[(1, 81609450), (2, 40804725), (3, 27203150), (5, 16321890), (6, 13601575), (10, 8160945), (13, 6277650), (15, 5440630), (25, 3264378), (26, 3138825), (30, 2720315), (39, 2092550), (50, 1632189), (65, 1255530), (75, 1088126), (78, 1046275), (130, 627765), (150, 544063), (195, 418510), (325, 251106), (390, 209255), (650, 125553), (975, 83702), (1950, 41851)]