13203820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 32558400

約数和(自身を除く): 19354580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2549, 2590, 5098, 5180, 10196, 12745, 17843, 25490, 35686, 50980, 71372, 89215, 94313, 178430, 188626, 356860, 377252, 471565, 660191, 943130, 1320382, 1886260, 2640764, 3300955, 6601910, 13203820]

約数ペア:

[(1, 13203820), (2, 6601910), (4, 3300955), (5, 2640764), (7, 1886260), (10, 1320382), (14, 943130), (20, 660191), (28, 471565), (35, 377252), (37, 356860), (70, 188626), (74, 178430), (140, 94313), (148, 89215), (185, 71372), (259, 50980), (370, 35686), (518, 25490), (740, 17843), (1036, 12745), (1295, 10196), (2549, 5180), (2590, 5098)]