54343640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8039}}^1$

素因数の和:8076

約数の個数: 48

約数和(自身を含む): 132418800

約数和(自身を除く): 78075160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 8039, 16078, 32156, 40195, 64312, 80390, 104507, 160780, 209014, 321560, 418028, 522535, 836056, 1045070, 1358591, 2090140, 2717182, 4180280, 5434364, 6792955, 10868728, 13585910, 27171820, 54343640]

約数ペア:

[(1, 54343640), (2, 27171820), (4, 13585910), (5, 10868728), (8, 6792955), (10, 5434364), (13, 4180280), (20, 2717182), (26, 2090140), (40, 1358591), (52, 1045070), (65, 836056), (104, 522535), (130, 418028), (169, 321560), (260, 209014), (338, 160780), (520, 104507), (676, 80390), (845, 64312), (1352, 40195), (1690, 32156), (3380, 16078), (6760, 8039)]