12712180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3761}}^1$

素因数の和:3796

約数の個数: 36

約数和(自身を含む): 28914732

約数和(自身を除く): 16202552

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3761, 7522, 15044, 18805, 37610, 48893, 75220, 97786, 195572, 244465, 488930, 635609, 977860, 1271218, 2542436, 3178045, 6356090, 12712180]

約数ペア:

[(1, 12712180), (2, 6356090), (4, 3178045), (5, 2542436), (10, 1271218), (13, 977860), (20, 635609), (26, 488930), (52, 244465), (65, 195572), (130, 97786), (169, 75220), (260, 48893), (338, 37610), (676, 18805), (845, 15044), (1690, 7522), (3380, 3761)]