80907376

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 90

約数和(自身を含む): 182401520

約数和(自身を除く): 101494144

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 79, 88, 92, 121, 158, 176, 184, 242, 253, 316, 368, 484, 506, 529, 632, 869, 968, 1012, 1058, 1264, 1738, 1817, 1936, 2024, 2116, 2783, 3476, 3634, 4048, 4232, 5566, 5819, 6952, 7268, 8464, 9559, 11132, 11638, 13904, 14536, 19118, 19987, 22264, 23276, 29072, 38236, 39974, 41791, 44528, 46552, 64009, 76472, 79948, 83582, 93104, 128018, 152944, 159896, 167164, 219857, 256036, 319792, 334328, 439714, 459701, 512072, 668656, 879428, 919402, 1024144, 1758856, 1838804, 3517712, 3677608, 5056711, 7355216, 10113422, 20226844, 40453688, 80907376]

約数ペア:

[(1, 80907376), (2, 40453688), (4, 20226844), (8, 10113422), (11, 7355216), (16, 5056711), (22, 3677608), (23, 3517712), (44, 1838804), (46, 1758856), (79, 1024144), (88, 919402), (92, 879428), (121, 668656), (158, 512072), (176, 459701), (184, 439714), (242, 334328), (253, 319792), (316, 256036), (368, 219857), (484, 167164), (506, 159896), (529, 152944), (632, 128018), (869, 93104), (968, 83582), (1012, 79948), (1058, 76472), (1264, 64009), (1738, 46552), (1817, 44528), (1936, 41791), (2024, 39974), (2116, 38236), (2783, 29072), (3476, 23276), (3634, 22264), (4048, 19987), (4232, 19118), (5566, 14536), (5819, 13904), (6952, 11638), (7268, 11132), (8464, 9559)]