51019540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17839}}^1$

素因数の和:17872

約数の個数: 48

約数和(自身を含む): 125879040

約数和(自身を除く): 74859500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 17839, 35678, 71356, 89195, 178390, 196229, 231907, 356780, 392458, 463814, 784916, 927628, 981145, 1159535, 1962290, 2319070, 2550977, 3924580, 4638140, 5101954, 10203908, 12754885, 25509770, 51019540]

約数ペア:

[(1, 51019540), (2, 25509770), (4, 12754885), (5, 10203908), (10, 5101954), (11, 4638140), (13, 3924580), (20, 2550977), (22, 2319070), (26, 1962290), (44, 1159535), (52, 981145), (55, 927628), (65, 784916), (110, 463814), (130, 392458), (143, 356780), (220, 231907), (260, 196229), (286, 178390), (572, 89195), (715, 71356), (1430, 35678), (2860, 17839)]