85309520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:924

約数の個数: 80

約数和(自身を含む): 209986560

約数和(自身を除く): 124677040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 839, 1240, 1271, 1640, 1678, 2480, 2542, 3280, 3356, 4195, 5084, 6355, 6712, 8390, 10168, 12710, 13424, 16780, 20336, 25420, 26009, 33560, 34399, 50840, 52018, 67120, 68798, 101680, 104036, 130045, 137596, 171995, 208072, 260090, 275192, 343990, 416144, 520180, 550384, 687980, 1040360, 1066369, 1375960, 2080720, 2132738, 2751920, 4265476, 5331845, 8530952, 10663690, 17061904, 21327380, 42654760, 85309520]

約数ペア:

[(1, 85309520), (2, 42654760), (4, 21327380), (5, 17061904), (8, 10663690), (10, 8530952), (16, 5331845), (20, 4265476), (31, 2751920), (40, 2132738), (41, 2080720), (62, 1375960), (80, 1066369), (82, 1040360), (124, 687980), (155, 550384), (164, 520180), (205, 416144), (248, 343990), (310, 275192), (328, 260090), (410, 208072), (496, 171995), (620, 137596), (656, 130045), (820, 104036), (839, 101680), (1240, 68798), (1271, 67120), (1640, 52018), (1678, 50840), (2480, 34399), (2542, 33560), (3280, 26009), (3356, 25420), (4195, 20336), (5084, 16780), (6355, 13424), (6712, 12710), (8390, 10168)]