16533920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7949}}^1$

素因数の和:7977

約数の個数: 48

約数和(自身を含む): 42071400

約数和(自身を除く): 25537480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7949, 15898, 31796, 39745, 63592, 79490, 103337, 127184, 158980, 206674, 254368, 317960, 413348, 516685, 635920, 826696, 1033370, 1271840, 1653392, 2066740, 3306784, 4133480, 8266960, 16533920]

約数ペア:

[(1, 16533920), (2, 8266960), (4, 4133480), (5, 3306784), (8, 2066740), (10, 1653392), (13, 1271840), (16, 1033370), (20, 826696), (26, 635920), (32, 516685), (40, 413348), (52, 317960), (65, 254368), (80, 206674), (104, 158980), (130, 127184), (160, 103337), (208, 79490), (260, 63592), (416, 39745), (520, 31796), (1040, 15898), (2080, 7949)]