12836980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 29388240

約数和(自身を除く): 16551260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 509, 970, 1018, 1261, 1940, 2036, 2522, 2545, 5044, 5090, 6305, 6617, 10180, 12610, 13234, 25220, 26468, 33085, 49373, 66170, 98746, 132340, 197492, 246865, 493730, 641849, 987460, 1283698, 2567396, 3209245, 6418490, 12836980]

約数ペア:

[(1, 12836980), (2, 6418490), (4, 3209245), (5, 2567396), (10, 1283698), (13, 987460), (20, 641849), (26, 493730), (52, 246865), (65, 197492), (97, 132340), (130, 98746), (194, 66170), (260, 49373), (388, 33085), (485, 26468), (509, 25220), (970, 13234), (1018, 12610), (1261, 10180), (1940, 6617), (2036, 6305), (2522, 5090), (2545, 5044)]