28726360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55243}}^1$

素因数の和:55267

約数の個数: 32

約数和(自身を含む): 69607440

約数和(自身を除く): 40881080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55243, 110486, 220972, 276215, 441944, 552430, 718159, 1104860, 1436318, 2209720, 2872636, 3590795, 5745272, 7181590, 14363180, 28726360]

約数ペア:

[(1, 28726360), (2, 14363180), (4, 7181590), (5, 5745272), (8, 3590795), (10, 2872636), (13, 2209720), (20, 1436318), (26, 1104860), (40, 718159), (52, 552430), (65, 441944), (104, 276215), (130, 220972), (260, 110486), (520, 55243)]