11638880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 31842720

約数和(自身を除く): 20203840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 389, 440, 544, 680, 748, 778, 880, 935, 1360, 1496, 1556, 1760, 1870, 1945, 2720, 2992, 3112, 3740, 3890, 4279, 5984, 6224, 6613, 7480, 7780, 8558, 12448, 13226, 14960, 15560, 17116, 21395, 26452, 29920, 31120, 33065, 34232, 42790, 52904, 62240, 66130, 68464, 72743, 85580, 105808, 132260, 136928, 145486, 171160, 211616, 264520, 290972, 342320, 363715, 529040, 581944, 684640, 727430, 1058080, 1163888, 1454860, 2327776, 2909720, 5819440, 11638880]

約数ペア:

[(1, 11638880), (2, 5819440), (4, 2909720), (5, 2327776), (8, 1454860), (10, 1163888), (11, 1058080), (16, 727430), (17, 684640), (20, 581944), (22, 529040), (32, 363715), (34, 342320), (40, 290972), (44, 264520), (55, 211616), (68, 171160), (80, 145486), (85, 136928), (88, 132260), (110, 105808), (136, 85580), (160, 72743), (170, 68464), (176, 66130), (187, 62240), (220, 52904), (272, 42790), (340, 34232), (352, 33065), (374, 31120), (389, 29920), (440, 26452), (544, 21395), (680, 17116), (748, 15560), (778, 14960), (880, 13226), (935, 12448), (1360, 8558), (1496, 7780), (1556, 7480), (1760, 6613), (1870, 6224), (1945, 5984), (2720, 4279), (2992, 3890), (3112, 3740)]