4989355540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009991}}^1$

素因数の和:1010032

約数の個数: 48

約数和(自身を含む): 11877505920

約数和(自身を除く): 6888150380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 1009991, 2019982, 4039964, 5049955, 10099910, 13129883, 19189829, 20199820, 26259766, 38379658, 52519532, 65649415, 76759316, 95949145, 131298830, 191898290, 249467777, 262597660, 383796580, 498935554, 997871108, 1247338885, 2494677770, 4989355540]

約数ペア:

[(1, 4989355540), (2, 2494677770), (4, 1247338885), (5, 997871108), (10, 498935554), (13, 383796580), (19, 262597660), (20, 249467777), (26, 191898290), (38, 131298830), (52, 95949145), (65, 76759316), (76, 65649415), (95, 52519532), (130, 38379658), (190, 26259766), (247, 20199820), (260, 19189829), (380, 13129883), (494, 10099910), (988, 5049955), (1235, 4039964), (2470, 2019982), (4940, 1009991)]