64759220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{883}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 144056640

約数和(自身を除く): 79297420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 883, 965, 1766, 1930, 3532, 3667, 3860, 4415, 7334, 8830, 14668, 16777, 17660, 18335, 33554, 36670, 67108, 73340, 83885, 167770, 170419, 335540, 340838, 681676, 852095, 1704190, 3237961, 3408380, 6475922, 12951844, 16189805, 32379610, 64759220]

約数ペア:

[(1, 64759220), (2, 32379610), (4, 16189805), (5, 12951844), (10, 6475922), (19, 3408380), (20, 3237961), (38, 1704190), (76, 852095), (95, 681676), (190, 340838), (193, 335540), (380, 170419), (386, 167770), (772, 83885), (883, 73340), (965, 67108), (1766, 36670), (1930, 33554), (3532, 18335), (3667, 17660), (3860, 16777), (4415, 14668), (7334, 8830)]