15953240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3659}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 36234000

約数和(自身を除く): 20280760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3659, 4360, 7318, 14636, 18295, 29272, 36590, 73180, 146360, 398831, 797662, 1595324, 1994155, 3190648, 3988310, 7976620, 15953240]

約数ペア:

[(1, 15953240), (2, 7976620), (4, 3988310), (5, 3190648), (8, 1994155), (10, 1595324), (20, 797662), (40, 398831), (109, 146360), (218, 73180), (436, 36590), (545, 29272), (872, 18295), (1090, 14636), (2180, 7318), (3659, 4360)]