51339680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 96

約数和(自身を含む): 144716544

約数和(自身を除く): 93376864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 1993, 2576, 3220, 3680, 3986, 5152, 6440, 7972, 9965, 12880, 13951, 15944, 19930, 25760, 27902, 31888, 39860, 45839, 55804, 63776, 69755, 79720, 91678, 111608, 139510, 159440, 183356, 223216, 229195, 279020, 318880, 320873, 366712, 446432, 458390, 558040, 641746, 733424, 916780, 1116080, 1283492, 1466848, 1604365, 1833560, 2232160, 2566984, 3208730, 3667120, 5133968, 6417460, 7334240, 10267936, 12834920, 25669840, 51339680]

約数ペア:

[(1, 51339680), (2, 25669840), (4, 12834920), (5, 10267936), (7, 7334240), (8, 6417460), (10, 5133968), (14, 3667120), (16, 3208730), (20, 2566984), (23, 2232160), (28, 1833560), (32, 1604365), (35, 1466848), (40, 1283492), (46, 1116080), (56, 916780), (70, 733424), (80, 641746), (92, 558040), (112, 458390), (115, 446432), (140, 366712), (160, 320873), (161, 318880), (184, 279020), (224, 229195), (230, 223216), (280, 183356), (322, 159440), (368, 139510), (460, 111608), (560, 91678), (644, 79720), (736, 69755), (805, 63776), (920, 55804), (1120, 45839), (1288, 39860), (1610, 31888), (1840, 27902), (1993, 25760), (2576, 19930), (3220, 15944), (3680, 13951), (3986, 12880), (5152, 9965), (6440, 7972)]