40867420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^2$

素因数の和:882

約数の個数: 36

約数和(自身を含む): 93841272

約数和(自身を除く): 52973852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 431, 862, 1724, 2155, 4310, 4741, 8620, 9482, 18964, 23705, 47410, 94820, 185761, 371522, 743044, 928805, 1857610, 2043371, 3715220, 4086742, 8173484, 10216855, 20433710, 40867420]

約数ペア:

[(1, 40867420), (2, 20433710), (4, 10216855), (5, 8173484), (10, 4086742), (11, 3715220), (20, 2043371), (22, 1857610), (44, 928805), (55, 743044), (110, 371522), (220, 185761), (431, 94820), (862, 47410), (1724, 23705), (2155, 18964), (4310, 9482), (4741, 8620)]