25140008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 27736792

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 67, 68, 89, 124, 134, 136, 178, 248, 268, 356, 527, 536, 712, 1054, 1139, 1513, 2077, 2108, 2278, 2759, 3026, 4154, 4216, 4556, 5518, 5963, 6052, 8308, 9112, 11036, 11926, 12104, 16616, 22072, 23852, 35309, 46903, 47704, 70618, 93806, 101371, 141236, 184853, 187612, 202742, 282472, 369706, 375224, 405484, 739412, 810968, 1478824, 3142501, 6285002, 12570004, 25140008]

約数ペア:

[(1, 25140008), (2, 12570004), (4, 6285002), (8, 3142501), (17, 1478824), (31, 810968), (34, 739412), (62, 405484), (67, 375224), (68, 369706), (89, 282472), (124, 202742), (134, 187612), (136, 184853), (178, 141236), (248, 101371), (268, 93806), (356, 70618), (527, 47704), (536, 46903), (712, 35309), (1054, 23852), (1139, 22072), (1513, 16616), (2077, 12104), (2108, 11926), (2278, 11036), (2759, 9112), (3026, 8308), (4154, 6052), (4216, 5963), (4556, 5518)]