25786960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 64656576

約数和(自身を除く): 38869616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 283, 335, 340, 536, 566, 670, 680, 1072, 1132, 1139, 1340, 1360, 1415, 2264, 2278, 2680, 2830, 4528, 4556, 4811, 5360, 5660, 5695, 9112, 9622, 11320, 11390, 18224, 18961, 19244, 22640, 22780, 24055, 37922, 38488, 45560, 48110, 75844, 76976, 91120, 94805, 96220, 151688, 189610, 192440, 303376, 322337, 379220, 384880, 644674, 758440, 1289348, 1516880, 1611685, 2578696, 3223370, 5157392, 6446740, 12893480, 25786960]

約数ペア:

[(1, 25786960), (2, 12893480), (4, 6446740), (5, 5157392), (8, 3223370), (10, 2578696), (16, 1611685), (17, 1516880), (20, 1289348), (34, 758440), (40, 644674), (67, 384880), (68, 379220), (80, 322337), (85, 303376), (134, 192440), (136, 189610), (170, 151688), (268, 96220), (272, 94805), (283, 91120), (335, 76976), (340, 75844), (536, 48110), (566, 45560), (670, 38488), (680, 37922), (1072, 24055), (1132, 22780), (1139, 22640), (1340, 19244), (1360, 18961), (1415, 18224), (2264, 11390), (2278, 11320), (2680, 9622), (2830, 9112), (4528, 5695), (4556, 5660), (4811, 5360)]