28785625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 40487040

約数和(自身を除く): 11701415

約数列:

[1, 5, 11, 25, 53, 55, 79, 125, 265, 275, 395, 583, 625, 869, 1325, 1375, 1975, 2915, 4187, 4345, 6625, 6875, 9875, 14575, 20935, 21725, 33125, 46057, 49375, 72875, 104675, 108625, 230285, 364375, 523375, 543125, 1151425, 2616875, 5757125, 28785625]

約数ペア:

[(1, 28785625), (5, 5757125), (11, 2616875), (25, 1151425), (53, 543125), (55, 523375), (79, 364375), (125, 230285), (265, 108625), (275, 104675), (395, 72875), (583, 49375), (625, 46057), (869, 33125), (1325, 21725), (1375, 20935), (1975, 14575), (2915, 9875), (4187, 6875), (4345, 6625)]