25978920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19681}}^1$

素因数の和:19706

約数の個数: 64

約数和(自身を含む): 85026240

約数和(自身を除く): 59047320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 19681, 39362, 59043, 78724, 98405, 118086, 157448, 196810, 216491, 236172, 295215, 393620, 432982, 472344, 590430, 649473, 787240, 865964, 1082455, 1180860, 1298946, 1731928, 2164910, 2361720, 2597892, 3247365, 4329820, 5195784, 6494730, 8659640, 12989460, 25978920]

約数ペア:

[(1, 25978920), (2, 12989460), (3, 8659640), (4, 6494730), (5, 5195784), (6, 4329820), (8, 3247365), (10, 2597892), (11, 2361720), (12, 2164910), (15, 1731928), (20, 1298946), (22, 1180860), (24, 1082455), (30, 865964), (33, 787240), (40, 649473), (44, 590430), (55, 472344), (60, 432982), (66, 393620), (88, 295215), (110, 236172), (120, 216491), (132, 196810), (165, 157448), (220, 118086), (264, 98405), (330, 78724), (440, 59043), (660, 39362), (1320, 19681)]