129200425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2789}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 171250200

約数和(自身を除く): 42049775

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 1853, 2725, 2789, 9265, 13945, 46325, 47413, 69725, 237065, 304001, 1185325, 1520005, 5168017, 7600025, 25840085, 129200425]

約数ペア:

[(1, 129200425), (5, 25840085), (17, 7600025), (25, 5168017), (85, 1520005), (109, 1185325), (425, 304001), (545, 237065), (1853, 69725), (2725, 47413), (2789, 46325), (9265, 13945)]