12945625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 20243520

約数和(自身を除く): 7297895

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 269, 275, 385, 625, 875, 1345, 1375, 1883, 1925, 2959, 4375, 6725, 6875, 9415, 9625, 14795, 20713, 33625, 47075, 48125, 73975, 103565, 168125, 235375, 369875, 517825, 1176875, 1849375, 2589125, 12945625]

約数ペア:

[(1, 12945625), (5, 2589125), (7, 1849375), (11, 1176875), (25, 517825), (35, 369875), (55, 235375), (77, 168125), (125, 103565), (175, 73975), (269, 48125), (275, 47075), (385, 33625), (625, 20713), (875, 14795), (1345, 9625), (1375, 9415), (1883, 6875), (1925, 6725), (2959, 4375)]