27295780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 60984000

約数和(自身を除く): 33688220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 659, 1090, 1318, 2071, 2180, 2636, 3295, 4142, 6590, 8284, 10355, 12521, 13180, 20710, 25042, 41420, 50084, 62605, 71831, 125210, 143662, 250420, 287324, 359155, 718310, 1364789, 1436620, 2729578, 5459156, 6823945, 13647890, 27295780]

約数ペア:

[(1, 27295780), (2, 13647890), (4, 6823945), (5, 5459156), (10, 2729578), (19, 1436620), (20, 1364789), (38, 718310), (76, 359155), (95, 287324), (109, 250420), (190, 143662), (218, 125210), (380, 71831), (436, 62605), (545, 50084), (659, 41420), (1090, 25042), (1318, 20710), (2071, 13180), (2180, 12521), (2636, 10355), (3295, 8284), (4142, 6590)]