25424945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 16669135

約数列:

[1, 5, 7, 13, 17, 19, 35, 65, 85, 91, 95, 119, 133, 173, 221, 247, 323, 455, 595, 665, 865, 1105, 1211, 1235, 1547, 1615, 1729, 2249, 2261, 2941, 3287, 4199, 6055, 7735, 8645, 11245, 11305, 14705, 15743, 16435, 20587, 20995, 23009, 29393, 38233, 42731, 55879, 78715, 102935, 115045, 146965, 191165, 213655, 267631, 279395, 299117, 391153, 726427, 1338155, 1495585, 1955765, 3632135, 5084989, 25424945]

約数ペア:

[(1, 25424945), (5, 5084989), (7, 3632135), (13, 1955765), (17, 1495585), (19, 1338155), (35, 726427), (65, 391153), (85, 299117), (91, 279395), (95, 267631), (119, 213655), (133, 191165), (173, 146965), (221, 115045), (247, 102935), (323, 78715), (455, 55879), (595, 42731), (665, 38233), (865, 29393), (1105, 23009), (1211, 20995), (1235, 20587), (1547, 16435), (1615, 15743), (1729, 14705), (2249, 11305), (2261, 11245), (2941, 8645), (3287, 7735), (4199, 6055)]