78370840

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{1427}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 176586480

約数和(自身を除く): 98215640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 1427, 2746, 2854, 5492, 5708, 6865, 7135, 10984, 11416, 13730, 14270, 27460, 28540, 54920, 57080, 1959271, 3918542, 7837084, 9796355, 15674168, 19592710, 39185420, 78370840]

約数ペア:

[(1, 78370840), (2, 39185420), (4, 19592710), (5, 15674168), (8, 9796355), (10, 7837084), (20, 3918542), (40, 1959271), (1373, 57080), (1427, 54920), (2746, 28540), (2854, 27460), (5492, 14270), (5708, 13730), (6865, 11416), (7135, 10984)]