51257690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7639}}^1$

素因数の和:7718

約数の個数: 32

約数和(自身を含む): 102314880

約数和(自身を除く): 51057190

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 7639, 15278, 38195, 76390, 84029, 168058, 420145, 465979, 840290, 931958, 2329895, 4659790, 5125769, 10251538, 25628845, 51257690]

約数ペア:

[(1, 51257690), (2, 25628845), (5, 10251538), (10, 5125769), (11, 4659790), (22, 2329895), (55, 931958), (61, 840290), (110, 465979), (122, 420145), (305, 168058), (610, 84029), (671, 76390), (1342, 38195), (3355, 15278), (6710, 7639)]