56380220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 136745280

約数和(自身を除く): 80365060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 101, 113, 130, 190, 202, 226, 247, 260, 380, 404, 452, 494, 505, 565, 988, 1010, 1130, 1235, 1313, 1469, 1919, 2020, 2147, 2260, 2470, 2626, 2938, 3838, 4294, 4940, 5252, 5876, 6565, 7345, 7676, 8588, 9595, 10735, 11413, 13130, 14690, 19190, 21470, 22826, 24947, 26260, 27911, 29380, 38380, 42940, 45652, 49894, 55822, 57065, 99788, 111644, 114130, 124735, 139555, 148369, 216847, 228260, 249470, 279110, 296738, 433694, 498940, 558220, 593476, 741845, 867388, 1084235, 1483690, 2168470, 2819011, 2967380, 4336940, 5638022, 11276044, 14095055, 28190110, 56380220]

約数ペア:

[(1, 56380220), (2, 28190110), (4, 14095055), (5, 11276044), (10, 5638022), (13, 4336940), (19, 2967380), (20, 2819011), (26, 2168470), (38, 1483690), (52, 1084235), (65, 867388), (76, 741845), (95, 593476), (101, 558220), (113, 498940), (130, 433694), (190, 296738), (202, 279110), (226, 249470), (247, 228260), (260, 216847), (380, 148369), (404, 139555), (452, 124735), (494, 114130), (505, 111644), (565, 99788), (988, 57065), (1010, 55822), (1130, 49894), (1235, 45652), (1313, 42940), (1469, 38380), (1919, 29380), (2020, 27911), (2147, 26260), (2260, 24947), (2470, 22826), (2626, 21470), (2938, 19190), (3838, 14690), (4294, 13130), (4940, 11413), (5252, 10735), (5876, 9595), (6565, 8588), (7345, 7676)]