69139720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132961}}^1$

素因数の和:132985

約数の個数: 32

約数和(自身を含む): 167532120

約数和(自身を除く): 98392400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 132961, 265922, 531844, 664805, 1063688, 1329610, 1728493, 2659220, 3456986, 5318440, 6913972, 8642465, 13827944, 17284930, 34569860, 69139720]

約数ペア:

[(1, 69139720), (2, 34569860), (4, 17284930), (5, 13827944), (8, 8642465), (10, 6913972), (13, 5318440), (20, 3456986), (26, 2659220), (40, 1728493), (52, 1329610), (65, 1063688), (104, 664805), (130, 531844), (260, 265922), (520, 132961)]