16125875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 21565440

約数和(自身を除く): 5439565

約数列:

[1, 5, 23, 25, 71, 79, 115, 125, 355, 395, 575, 1633, 1775, 1817, 1975, 2875, 5609, 8165, 8875, 9085, 9875, 28045, 40825, 45425, 129007, 140225, 204125, 227125, 645035, 701125, 3225175, 16125875]

約数ペア:

[(1, 16125875), (5, 3225175), (23, 701125), (25, 645035), (71, 227125), (79, 204125), (115, 140225), (125, 129007), (355, 45425), (395, 40825), (575, 28045), (1633, 9875), (1775, 9085), (1817, 8875), (1975, 8165), (2875, 5609)]