40317784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 82026000

約数和(自身を除く): 41708216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 2789, 3614, 5578, 7228, 11156, 14456, 22312, 36257, 72514, 145028, 290056, 387671, 775342, 1550684, 3101368, 5039723, 10079446, 20158892, 40317784]

約数ペア:

[(1, 40317784), (2, 20158892), (4, 10079446), (8, 5039723), (13, 3101368), (26, 1550684), (52, 775342), (104, 387671), (139, 290056), (278, 145028), (556, 72514), (1112, 36257), (1807, 22312), (2789, 14456), (3614, 11156), (5578, 7228)]