13243480720

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1\times {\mathrm{2011}}^1$

素因数の和:2600

約数の個数: 80

約数和(自身を含む): 31022335872

約数和(自身を除く): 17778855152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 313, 526, 626, 1052, 1252, 1315, 1565, 2011, 2104, 2504, 2630, 3130, 4022, 4208, 5008, 5260, 6260, 8044, 10055, 10520, 12520, 16088, 20110, 21040, 25040, 32176, 40220, 80440, 82319, 160880, 164638, 329276, 411595, 528893, 629443, 658552, 823190, 1057786, 1258886, 1317104, 1646380, 2115572, 2517772, 2644465, 3147215, 3292760, 4231144, 5035544, 5288930, 6294430, 6585520, 8462288, 10071088, 10577860, 12588860, 21155720, 25177720, 42311440, 50355440, 165543509, 331087018, 662174036, 827717545, 1324348072, 1655435090, 2648696144, 3310870180, 6621740360, 13243480720]

約数ペア:

[(1, 13243480720), (2, 6621740360), (4, 3310870180), (5, 2648696144), (8, 1655435090), (10, 1324348072), (16, 827717545), (20, 662174036), (40, 331087018), (80, 165543509), (263, 50355440), (313, 42311440), (526, 25177720), (626, 21155720), (1052, 12588860), (1252, 10577860), (1315, 10071088), (1565, 8462288), (2011, 6585520), (2104, 6294430), (2504, 5288930), (2630, 5035544), (3130, 4231144), (4022, 3292760), (4208, 3147215), (5008, 2644465), (5260, 2517772), (6260, 2115572), (8044, 1646380), (10055, 1317104), (10520, 1258886), (12520, 1057786), (16088, 823190), (20110, 658552), (21040, 629443), (25040, 528893), (32176, 411595), (40220, 329276), (80440, 164638), (82319, 160880)]