28601600

素因数分解:

$2^8\times 5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 108

約数和(自身を含む): 73185420

約数和(自身を除く): 44583820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 109, 128, 160, 164, 200, 205, 218, 256, 320, 328, 400, 410, 436, 545, 640, 656, 800, 820, 872, 1025, 1090, 1280, 1312, 1600, 1640, 1744, 2050, 2180, 2624, 2725, 3200, 3280, 3488, 4100, 4360, 4469, 5248, 5450, 6400, 6560, 6976, 8200, 8720, 8938, 10496, 10900, 13120, 13952, 16400, 17440, 17876, 21800, 22345, 26240, 27904, 32800, 34880, 35752, 43600, 44690, 52480, 65600, 69760, 71504, 87200, 89380, 111725, 131200, 139520, 143008, 174400, 178760, 223450, 262400, 286016, 348800, 357520, 446900, 572032, 697600, 715040, 893800, 1144064, 1430080, 1787600, 2860160, 3575200, 5720320, 7150400, 14300800, 28601600]

約数ペア:

[(1, 28601600), (2, 14300800), (4, 7150400), (5, 5720320), (8, 3575200), (10, 2860160), (16, 1787600), (20, 1430080), (25, 1144064), (32, 893800), (40, 715040), (41, 697600), (50, 572032), (64, 446900), (80, 357520), (82, 348800), (100, 286016), (109, 262400), (128, 223450), (160, 178760), (164, 174400), (200, 143008), (205, 139520), (218, 131200), (256, 111725), (320, 89380), (328, 87200), (400, 71504), (410, 69760), (436, 65600), (545, 52480), (640, 44690), (656, 43600), (800, 35752), (820, 34880), (872, 32800), (1025, 27904), (1090, 26240), (1280, 22345), (1312, 21800), (1600, 17876), (1640, 17440), (1744, 16400), (2050, 13952), (2180, 13120), (2624, 10900), (2725, 10496), (3200, 8938), (3280, 8720), (3488, 8200), (4100, 6976), (4360, 6560), (4469, 6400), (5248, 5450)]