72646340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21493}}^1$

素因数の和:21528

約数の個数: 36

約数和(自身を含む): 165202884

約数和(自身を除く): 92556544

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 21493, 42986, 85972, 107465, 214930, 279409, 429860, 558818, 1117636, 1397045, 2794090, 3632317, 5588180, 7264634, 14529268, 18161585, 36323170, 72646340]

約数ペア:

[(1, 72646340), (2, 36323170), (4, 18161585), (5, 14529268), (10, 7264634), (13, 5588180), (20, 3632317), (26, 2794090), (52, 1397045), (65, 1117636), (130, 558818), (169, 429860), (260, 279409), (338, 214930), (676, 107465), (845, 85972), (1690, 42986), (3380, 21493)]