28037120

素因数分解:

$2^{12}\times 5^1\times {\mathrm{37}}^2$

素因数の和:103

約数の個数: 78

約数和(自身を含む): 69148422

約数和(自身を除く): 41111302

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1024, 1184, 1280, 1369, 1480, 2048, 2368, 2560, 2738, 2960, 4096, 4736, 5120, 5476, 5920, 6845, 9472, 10240, 10952, 11840, 13690, 18944, 20480, 21904, 23680, 27380, 37888, 43808, 47360, 54760, 75776, 87616, 94720, 109520, 151552, 175232, 189440, 219040, 350464, 378880, 438080, 700928, 757760, 876160, 1401856, 1752320, 2803712, 3504640, 5607424, 7009280, 14018560, 28037120]

約数ペア:

[(1, 28037120), (2, 14018560), (4, 7009280), (5, 5607424), (8, 3504640), (10, 2803712), (16, 1752320), (20, 1401856), (32, 876160), (37, 757760), (40, 700928), (64, 438080), (74, 378880), (80, 350464), (128, 219040), (148, 189440), (160, 175232), (185, 151552), (256, 109520), (296, 94720), (320, 87616), (370, 75776), (512, 54760), (592, 47360), (640, 43808), (740, 37888), (1024, 27380), (1184, 23680), (1280, 21904), (1369, 20480), (1480, 18944), (2048, 13690), (2368, 11840), (2560, 10952), (2738, 10240), (2960, 9472), (4096, 6845), (4736, 5920), (5120, 5476)]