25600040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{761}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 59733180

約数和(自身を除く): 34133140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 761, 841, 1160, 1522, 1682, 3044, 3364, 3805, 4205, 6088, 6728, 7610, 8410, 15220, 16820, 22069, 30440, 33640, 44138, 88276, 110345, 176552, 220690, 441380, 640001, 882760, 1280002, 2560004, 3200005, 5120008, 6400010, 12800020, 25600040]

約数ペア:

[(1, 25600040), (2, 12800020), (4, 6400010), (5, 5120008), (8, 3200005), (10, 2560004), (20, 1280002), (29, 882760), (40, 640001), (58, 441380), (116, 220690), (145, 176552), (232, 110345), (290, 88276), (580, 44138), (761, 33640), (841, 30440), (1160, 22069), (1522, 16820), (1682, 15220), (3044, 8410), (3364, 7610), (3805, 6728), (4205, 6088)]