39990756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 100900800

約数和(自身を除く): 60910044

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 389, 659, 778, 1167, 1318, 1556, 1977, 2334, 2636, 3954, 4668, 5057, 7908, 8567, 10114, 15171, 17134, 20228, 25701, 30342, 34268, 51402, 60684, 102804, 256351, 512702, 769053, 1025404, 1538106, 3076212, 3332563, 6665126, 9997689, 13330252, 19995378, 39990756]

約数ペア:

[(1, 39990756), (2, 19995378), (3, 13330252), (4, 9997689), (6, 6665126), (12, 3332563), (13, 3076212), (26, 1538106), (39, 1025404), (52, 769053), (78, 512702), (156, 256351), (389, 102804), (659, 60684), (778, 51402), (1167, 34268), (1318, 30342), (1556, 25701), (1977, 20228), (2334, 17134), (2636, 15171), (3954, 10114), (4668, 8567), (5057, 7908)]