39997936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7331}}^1$

素因数の和:7381

約数の個数: 40

約数和(自身を含む): 87280128

約数和(自身を除く): 47282192

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 7331, 14662, 29324, 58648, 80641, 117296, 161282, 227261, 322564, 454522, 645128, 909044, 1290256, 1818088, 2499871, 3636176, 4999742, 9999484, 19998968, 39997936]

約数ペア:

[(1, 39997936), (2, 19998968), (4, 9999484), (8, 4999742), (11, 3636176), (16, 2499871), (22, 1818088), (31, 1290256), (44, 909044), (62, 645128), (88, 454522), (124, 322564), (176, 227261), (248, 161282), (341, 117296), (496, 80641), (682, 58648), (1364, 29324), (2728, 14662), (5456, 7331)]