15589640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3221}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 38567340

約数和(自身を除く): 22977700

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3221, 4840, 6442, 12884, 16105, 25768, 32210, 35431, 64420, 70862, 128840, 141724, 177155, 283448, 354310, 389741, 708620, 779482, 1417240, 1558964, 1948705, 3117928, 3897410, 7794820, 15589640]

約数ペア:

[(1, 15589640), (2, 7794820), (4, 3897410), (5, 3117928), (8, 1948705), (10, 1558964), (11, 1417240), (20, 779482), (22, 708620), (40, 389741), (44, 354310), (55, 283448), (88, 177155), (110, 141724), (121, 128840), (220, 70862), (242, 64420), (440, 35431), (484, 32210), (605, 25768), (968, 16105), (1210, 12884), (2420, 6442), (3221, 4840)]