53920880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 136345440

約数和(自身を除く): 82424560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 373, 520, 556, 695, 746, 1040, 1112, 1390, 1492, 1807, 1865, 2224, 2780, 2984, 3614, 3730, 4849, 5560, 5968, 7228, 7460, 9035, 9698, 11120, 14456, 14920, 18070, 19396, 24245, 28912, 29840, 36140, 38792, 48490, 51847, 72280, 77584, 96980, 103694, 144560, 193960, 207388, 259235, 387920, 414776, 518470, 674011, 829552, 1036940, 1348022, 2073880, 2696044, 3370055, 4147760, 5392088, 6740110, 10784176, 13480220, 26960440, 53920880]

約数ペア:

[(1, 53920880), (2, 26960440), (4, 13480220), (5, 10784176), (8, 6740110), (10, 5392088), (13, 4147760), (16, 3370055), (20, 2696044), (26, 2073880), (40, 1348022), (52, 1036940), (65, 829552), (80, 674011), (104, 518470), (130, 414776), (139, 387920), (208, 259235), (260, 207388), (278, 193960), (373, 144560), (520, 103694), (556, 96980), (695, 77584), (746, 72280), (1040, 51847), (1112, 48490), (1390, 38792), (1492, 36140), (1807, 29840), (1865, 28912), (2224, 24245), (2780, 19396), (2984, 18070), (3614, 14920), (3730, 14456), (4849, 11120), (5560, 9698), (5968, 9035), (7228, 7460)]