82621520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 203236992

約数和(自身を除く): 120615472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 166, 184, 230, 332, 368, 415, 460, 541, 664, 830, 920, 1082, 1328, 1660, 1840, 1909, 2164, 2705, 3320, 3818, 4328, 5410, 6640, 7636, 8656, 9545, 10820, 12443, 15272, 19090, 21640, 24886, 30544, 38180, 43280, 44903, 49772, 62215, 76360, 89806, 99544, 124430, 152720, 179612, 199088, 224515, 248860, 359224, 449030, 497720, 718448, 898060, 995440, 1032769, 1796120, 2065538, 3592240, 4131076, 5163845, 8262152, 10327690, 16524304, 20655380, 41310760, 82621520]

約数ペア:

[(1, 82621520), (2, 41310760), (4, 20655380), (5, 16524304), (8, 10327690), (10, 8262152), (16, 5163845), (20, 4131076), (23, 3592240), (40, 2065538), (46, 1796120), (80, 1032769), (83, 995440), (92, 898060), (115, 718448), (166, 497720), (184, 449030), (230, 359224), (332, 248860), (368, 224515), (415, 199088), (460, 179612), (541, 152720), (664, 124430), (830, 99544), (920, 89806), (1082, 76360), (1328, 62215), (1660, 49772), (1840, 44903), (1909, 43280), (2164, 38180), (2705, 30544), (3320, 24886), (3818, 21640), (4328, 19090), (5410, 15272), (6640, 12443), (7636, 10820), (8656, 9545)]