26390240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8681}}^1$

素因数の和:8715

約数の個数: 48

約数和(自身を含む): 65635920

約数和(自身を除く): 39245680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 8681, 17362, 34724, 43405, 69448, 86810, 138896, 164939, 173620, 277792, 329878, 347240, 659756, 694480, 824695, 1319512, 1388960, 1649390, 2639024, 3298780, 5278048, 6597560, 13195120, 26390240]

約数ペア:

[(1, 26390240), (2, 13195120), (4, 6597560), (5, 5278048), (8, 3298780), (10, 2639024), (16, 1649390), (19, 1388960), (20, 1319512), (32, 824695), (38, 694480), (40, 659756), (76, 347240), (80, 329878), (95, 277792), (152, 173620), (160, 164939), (190, 138896), (304, 86810), (380, 69448), (608, 43405), (760, 34724), (1520, 17362), (3040, 8681)]