26960440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 65973600

約数和(自身を除く): 39013160

約数列:

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

約数ペア:

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