80965280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 210651840

約数和(自身を除く): 129686560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 179, 220, 257, 352, 358, 440, 514, 716, 880, 895, 1028, 1285, 1432, 1760, 1790, 1969, 2056, 2570, 2827, 2864, 3580, 3938, 4112, 5140, 5654, 5728, 7160, 7876, 8224, 9845, 10280, 11308, 14135, 14320, 15752, 19690, 20560, 22616, 28270, 28640, 31504, 39380, 41120, 45232, 46003, 56540, 63008, 78760, 90464, 92006, 113080, 157520, 184012, 226160, 230015, 315040, 368024, 452320, 460030, 506033, 736048, 920060, 1012066, 1472096, 1840120, 2024132, 2530165, 3680240, 4048264, 5060330, 7360480, 8096528, 10120660, 16193056, 20241320, 40482640, 80965280]

約数ペア:

[(1, 80965280), (2, 40482640), (4, 20241320), (5, 16193056), (8, 10120660), (10, 8096528), (11, 7360480), (16, 5060330), (20, 4048264), (22, 3680240), (32, 2530165), (40, 2024132), (44, 1840120), (55, 1472096), (80, 1012066), (88, 920060), (110, 736048), (160, 506033), (176, 460030), (179, 452320), (220, 368024), (257, 315040), (352, 230015), (358, 226160), (440, 184012), (514, 157520), (716, 113080), (880, 92006), (895, 90464), (1028, 78760), (1285, 63008), (1432, 56540), (1760, 46003), (1790, 45232), (1969, 41120), (2056, 39380), (2570, 31504), (2827, 28640), (2864, 28270), (3580, 22616), (3938, 20560), (4112, 19690), (5140, 15752), (5654, 14320), (5728, 14135), (7160, 11308), (7876, 10280), (8224, 9845)]