801156640

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 1933424640

約数和(自身を除く): 1132268000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 127, 160, 178, 254, 356, 443, 445, 508, 635, 712, 886, 890, 1016, 1270, 1424, 1772, 1780, 2032, 2215, 2540, 2848, 3544, 3560, 4064, 4430, 5080, 7088, 7120, 8860, 10160, 11303, 14176, 14240, 17720, 20320, 22606, 35440, 39427, 45212, 56261, 56515, 70880, 78854, 90424, 112522, 113030, 157708, 180848, 197135, 225044, 226060, 281305, 315416, 361696, 394270, 450088, 452120, 562610, 630832, 788540, 900176, 904240, 1125220, 1261664, 1577080, 1800352, 1808480, 2250440, 3154160, 4500880, 5007229, 6308320, 9001760, 10014458, 20028916, 25036145, 40057832, 50072290, 80115664, 100144580, 160231328, 200289160, 400578320, 801156640]

約数ペア:

[(1, 801156640), (2, 400578320), (4, 200289160), (5, 160231328), (8, 100144580), (10, 80115664), (16, 50072290), (20, 40057832), (32, 25036145), (40, 20028916), (80, 10014458), (89, 9001760), (127, 6308320), (160, 5007229), (178, 4500880), (254, 3154160), (356, 2250440), (443, 1808480), (445, 1800352), (508, 1577080), (635, 1261664), (712, 1125220), (886, 904240), (890, 900176), (1016, 788540), (1270, 630832), (1424, 562610), (1772, 452120), (1780, 450088), (2032, 394270), (2215, 361696), (2540, 315416), (2848, 281305), (3544, 226060), (3560, 225044), (4064, 197135), (4430, 180848), (5080, 157708), (7088, 113030), (7120, 112522), (8860, 90424), (10160, 78854), (11303, 70880), (14176, 56515), (14240, 56261), (17720, 45212), (20320, 39427), (22606, 35440)]