79711840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2064

約数の個数: 96

約数和(自身を含む): 213585120

約数和(自身を除く): 133873280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2017, 2080, 2470, 3040, 3952, 4034, 4940, 7904, 8068, 9880, 10085, 16136, 19760, 20170, 26221, 32272, 38323, 39520, 40340, 52442, 64544, 76646, 80680, 104884, 131105, 153292, 161360, 191615, 209768, 262210, 306584, 322720, 383230, 419536, 498199, 524420, 613168, 766460, 839072, 996398, 1048840, 1226336, 1532920, 1992796, 2097680, 2490995, 3065840, 3985592, 4195360, 4981990, 6131680, 7971184, 9963980, 15942368, 19927960, 39855920, 79711840]

約数ペア:

[(1, 79711840), (2, 39855920), (4, 19927960), (5, 15942368), (8, 9963980), (10, 7971184), (13, 6131680), (16, 4981990), (19, 4195360), (20, 3985592), (26, 3065840), (32, 2490995), (38, 2097680), (40, 1992796), (52, 1532920), (65, 1226336), (76, 1048840), (80, 996398), (95, 839072), (104, 766460), (130, 613168), (152, 524420), (160, 498199), (190, 419536), (208, 383230), (247, 322720), (260, 306584), (304, 262210), (380, 209768), (416, 191615), (494, 161360), (520, 153292), (608, 131105), (760, 104884), (988, 80680), (1040, 76646), (1235, 64544), (1520, 52442), (1976, 40340), (2017, 39520), (2080, 38323), (2470, 32272), (3040, 26221), (3952, 20170), (4034, 19760), (4940, 16136), (7904, 10085), (8068, 9880)]