25663880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 69050880

約数和(自身を除く): 43387000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 47, 55, 68, 73, 85, 88, 94, 110, 136, 146, 170, 187, 188, 220, 235, 292, 340, 365, 374, 376, 440, 470, 517, 584, 680, 730, 748, 799, 803, 935, 940, 1034, 1241, 1460, 1496, 1598, 1606, 1870, 1880, 2068, 2482, 2585, 2920, 3196, 3212, 3431, 3740, 3995, 4015, 4136, 4964, 5170, 6205, 6392, 6424, 6862, 7480, 7990, 8030, 8789, 9928, 10340, 12410, 13651, 13724, 15980, 16060, 17155, 17578, 20680, 24820, 27302, 27448, 31960, 32120, 34310, 35156, 37741, 43945, 49640, 54604, 58327, 68255, 68620, 70312, 75482, 87890, 109208, 116654, 136510, 137240, 150964, 175780, 188705, 233308, 273020, 291635, 301928, 351560, 377410, 466616, 546040, 583270, 641597, 754820, 1166540, 1283194, 1509640, 2333080, 2566388, 3207985, 5132776, 6415970, 12831940, 25663880]

約数ペア:

[(1, 25663880), (2, 12831940), (4, 6415970), (5, 5132776), (8, 3207985), (10, 2566388), (11, 2333080), (17, 1509640), (20, 1283194), (22, 1166540), (34, 754820), (40, 641597), (44, 583270), (47, 546040), (55, 466616), (68, 377410), (73, 351560), (85, 301928), (88, 291635), (94, 273020), (110, 233308), (136, 188705), (146, 175780), (170, 150964), (187, 137240), (188, 136510), (220, 116654), (235, 109208), (292, 87890), (340, 75482), (365, 70312), (374, 68620), (376, 68255), (440, 58327), (470, 54604), (517, 49640), (584, 43945), (680, 37741), (730, 35156), (748, 34310), (799, 32120), (803, 31960), (935, 27448), (940, 27302), (1034, 24820), (1241, 20680), (1460, 17578), (1496, 17155), (1598, 16060), (1606, 15980), (1870, 13724), (1880, 13651), (2068, 12410), (2482, 10340), (2585, 9928), (2920, 8789), (3196, 8030), (3212, 7990), (3431, 7480), (3740, 6862), (3995, 6424), (4015, 6392), (4136, 6205), (4964, 5170)]