13031920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 20715920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 251, 295, 440, 472, 502, 590, 649, 880, 944, 1004, 1180, 1255, 1298, 2008, 2360, 2510, 2596, 2761, 3245, 4016, 4720, 5020, 5192, 5522, 6490, 10040, 10384, 11044, 12980, 13805, 14809, 20080, 22088, 25960, 27610, 29618, 44176, 51920, 55220, 59236, 74045, 110440, 118472, 148090, 162899, 220880, 236944, 296180, 325798, 592360, 651596, 814495, 1184720, 1303192, 1628990, 2606384, 3257980, 6515960, 13031920]

約数ペア:

[(1, 13031920), (2, 6515960), (4, 3257980), (5, 2606384), (8, 1628990), (10, 1303192), (11, 1184720), (16, 814495), (20, 651596), (22, 592360), (40, 325798), (44, 296180), (55, 236944), (59, 220880), (80, 162899), (88, 148090), (110, 118472), (118, 110440), (176, 74045), (220, 59236), (236, 55220), (251, 51920), (295, 44176), (440, 29618), (472, 27610), (502, 25960), (590, 22088), (649, 20080), (880, 14809), (944, 13805), (1004, 12980), (1180, 11044), (1255, 10384), (1298, 10040), (2008, 6490), (2360, 5522), (2510, 5192), (2596, 5020), (2761, 4720), (3245, 4016)]