67576340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19993}}^1$

素因数の和:20028

約数の個数: 36

約数和(自身を含む): 153673884

約数和(自身を除く): 86097544

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 19993, 39986, 79972, 99965, 199930, 259909, 399860, 519818, 1039636, 1299545, 2599090, 3378817, 5198180, 6757634, 13515268, 16894085, 33788170, 67576340]

約数ペア:

[(1, 67576340), (2, 33788170), (4, 16894085), (5, 13515268), (10, 6757634), (13, 5198180), (20, 3378817), (26, 2599090), (52, 1299545), (65, 1039636), (130, 519818), (169, 399860), (260, 259909), (338, 199930), (676, 99965), (845, 79972), (1690, 39986), (3380, 19993)]