3813996880

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1\times {\mathrm{829}}^1$

素因数の和:1412

約数の個数: 80

約数和(自身を含む): 8966390400

約数和(自身を除く): 5152393520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 439, 524, 655, 829, 878, 1048, 1310, 1658, 1756, 2096, 2195, 2620, 3316, 3512, 4145, 4390, 5240, 6632, 7024, 8290, 8780, 10480, 13264, 16580, 17560, 33160, 35120, 57509, 66320, 108599, 115018, 217198, 230036, 287545, 363931, 434396, 460072, 542995, 575090, 727862, 868792, 920144, 1085990, 1150180, 1455724, 1737584, 1819655, 2171980, 2300360, 2911448, 3639310, 4343960, 4600720, 5822896, 7278620, 8687920, 14557240, 29114480, 47674961, 95349922, 190699844, 238374805, 381399688, 476749610, 762799376, 953499220, 1906998440, 3813996880]

約数ペア:

[(1, 3813996880), (2, 1906998440), (4, 953499220), (5, 762799376), (8, 476749610), (10, 381399688), (16, 238374805), (20, 190699844), (40, 95349922), (80, 47674961), (131, 29114480), (262, 14557240), (439, 8687920), (524, 7278620), (655, 5822896), (829, 4600720), (878, 4343960), (1048, 3639310), (1310, 2911448), (1658, 2300360), (1756, 2171980), (2096, 1819655), (2195, 1737584), (2620, 1455724), (3316, 1150180), (3512, 1085990), (4145, 920144), (4390, 868792), (5240, 727862), (6632, 575090), (7024, 542995), (8290, 460072), (8780, 434396), (10480, 363931), (13264, 287545), (16580, 230036), (17560, 217198), (33160, 115018), (35120, 108599), (57509, 66320)]