54787840

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1905

約数の個数: 72

約数和(自身を含む): 137013408

約数和(自身を除く): 82225568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 1861, 2944, 3680, 3722, 5888, 7360, 7444, 9305, 14720, 14888, 18610, 29440, 29776, 37220, 42803, 59552, 74440, 85606, 119104, 148880, 171212, 214015, 238208, 297760, 342424, 428030, 476416, 595520, 684848, 856060, 1191040, 1369696, 1712120, 2382080, 2739392, 3424240, 5478784, 6848480, 10957568, 13696960, 27393920, 54787840]

約数ペア:

[(1, 54787840), (2, 27393920), (4, 13696960), (5, 10957568), (8, 6848480), (10, 5478784), (16, 3424240), (20, 2739392), (23, 2382080), (32, 1712120), (40, 1369696), (46, 1191040), (64, 856060), (80, 684848), (92, 595520), (115, 476416), (128, 428030), (160, 342424), (184, 297760), (230, 238208), (256, 214015), (320, 171212), (368, 148880), (460, 119104), (640, 85606), (736, 74440), (920, 59552), (1280, 42803), (1472, 37220), (1840, 29776), (1861, 29440), (2944, 18610), (3680, 14888), (3722, 14720), (5888, 9305), (7360, 7444)]