109139720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{51481}}^1$

素因数の和:51545

約数の個数: 32

約数和(自身を含む): 250202520

約数和(自身を除く): 141062800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 51481, 102962, 205924, 257405, 411848, 514810, 1029620, 2059240, 2728493, 5456986, 10913972, 13642465, 21827944, 27284930, 54569860, 109139720]

約数ペア:

[(1, 109139720), (2, 54569860), (4, 27284930), (5, 21827944), (8, 13642465), (10, 10913972), (20, 5456986), (40, 2728493), (53, 2059240), (106, 1029620), (212, 514810), (265, 411848), (424, 257405), (530, 205924), (1060, 102962), (2120, 51481)]