81128176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 177488640

約数和(自身を除く): 96360464

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 41, 46, 76, 82, 92, 152, 164, 184, 283, 304, 328, 368, 437, 566, 656, 779, 874, 943, 1132, 1558, 1748, 1886, 2264, 3116, 3496, 3772, 4528, 5377, 6232, 6509, 6992, 7544, 10754, 11603, 12464, 13018, 15088, 17917, 21508, 23206, 26036, 35834, 43016, 46412, 52072, 71668, 86032, 92824, 104144, 123671, 143336, 185648, 220457, 247342, 266869, 286672, 440914, 494684, 533738, 881828, 989368, 1067476, 1763656, 1978736, 2134952, 3527312, 4269904, 5070511, 10141022, 20282044, 40564088, 81128176]

約数ペア:

[(1, 81128176), (2, 40564088), (4, 20282044), (8, 10141022), (16, 5070511), (19, 4269904), (23, 3527312), (38, 2134952), (41, 1978736), (46, 1763656), (76, 1067476), (82, 989368), (92, 881828), (152, 533738), (164, 494684), (184, 440914), (283, 286672), (304, 266869), (328, 247342), (368, 220457), (437, 185648), (566, 143336), (656, 123671), (779, 104144), (874, 92824), (943, 86032), (1132, 71668), (1558, 52072), (1748, 46412), (1886, 43016), (2264, 35834), (3116, 26036), (3496, 23206), (3772, 21508), (4528, 17917), (5377, 15088), (6232, 13018), (6509, 12464), (6992, 11603), (7544, 10754)]