40281800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15493}}^1$

素因数の和:15522

約数の個数: 48

約数和(自身を含む): 100865940

約数和(自身を除く): 60584140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 15493, 30986, 61972, 77465, 123944, 154930, 201409, 309860, 387325, 402818, 619720, 774650, 805636, 1007045, 1549300, 1611272, 2014090, 3098600, 4028180, 5035225, 8056360, 10070450, 20140900, 40281800]

約数ペア:

[(1, 40281800), (2, 20140900), (4, 10070450), (5, 8056360), (8, 5035225), (10, 4028180), (13, 3098600), (20, 2014090), (25, 1611272), (26, 1549300), (40, 1007045), (50, 805636), (52, 774650), (65, 619720), (100, 402818), (104, 387325), (130, 309860), (200, 201409), (260, 154930), (325, 123944), (520, 77465), (650, 61972), (1300, 30986), (2600, 15493)]