28181050880

素因数分解:

$2^9\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{9001}}^1$

素因数の和:10247

約数の個数: 80

約数和(自身を含む): 67631233824

約数和(自身を除く): 39450182944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1223, 1280, 2446, 2560, 4892, 6115, 9001, 9784, 12230, 18002, 19568, 24460, 36004, 39136, 45005, 48920, 72008, 78272, 90010, 97840, 144016, 156544, 180020, 195680, 288032, 313088, 360040, 391360, 576064, 626176, 720080, 782720, 1152128, 1440160, 1565440, 2304256, 2880320, 3130880, 4608512, 5760640, 11008223, 11521280, 22016446, 23042560, 44032892, 55041115, 88065784, 110082230, 176131568, 220164460, 352263136, 440328920, 704526272, 880657840, 1409052544, 1761315680, 2818105088, 3522631360, 5636210176, 7045262720, 14090525440, 28181050880]

約数ペア:

[(1, 28181050880), (2, 14090525440), (4, 7045262720), (5, 5636210176), (8, 3522631360), (10, 2818105088), (16, 1761315680), (20, 1409052544), (32, 880657840), (40, 704526272), (64, 440328920), (80, 352263136), (128, 220164460), (160, 176131568), (256, 110082230), (320, 88065784), (512, 55041115), (640, 44032892), (1223, 23042560), (1280, 22016446), (2446, 11521280), (2560, 11008223), (4892, 5760640), (6115, 4608512), (9001, 3130880), (9784, 2880320), (12230, 2304256), (18002, 1565440), (19568, 1440160), (24460, 1152128), (36004, 782720), (39136, 720080), (45005, 626176), (48920, 576064), (72008, 391360), (78272, 360040), (90010, 313088), (97840, 288032), (144016, 195680), (156544, 180020)]