16401875

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:213

約数の個数: 40

約数和(自身を含む): 24592128

約数和(自身を除く): 8190253

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 163, 175, 575, 625, 805, 815, 875, 1141, 2875, 3749, 4025, 4075, 4375, 5705, 14375, 18745, 20125, 20375, 26243, 28525, 93725, 100625, 101875, 131215, 142625, 468625, 656075, 713125, 2343125, 3280375, 16401875]

約数ペア:

[(1, 16401875), (5, 3280375), (7, 2343125), (23, 713125), (25, 656075), (35, 468625), (115, 142625), (125, 131215), (161, 101875), (163, 100625), (175, 93725), (575, 28525), (625, 26243), (805, 20375), (815, 20125), (875, 18745), (1141, 14375), (2875, 5705), (3749, 4375), (4025, 4075)]