7915960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1171}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 19302840

約数和(自身を除く): 11386880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1171, 1352, 1690, 2342, 3380, 4684, 5855, 6760, 9368, 11710, 15223, 23420, 30446, 46840, 60892, 76115, 121784, 152230, 197899, 304460, 395798, 608920, 791596, 989495, 1583192, 1978990, 3957980, 7915960]

約数ペア:

[(1, 7915960), (2, 3957980), (4, 1978990), (5, 1583192), (8, 989495), (10, 791596), (13, 608920), (20, 395798), (26, 304460), (40, 197899), (52, 152230), (65, 121784), (104, 76115), (130, 60892), (169, 46840), (260, 30446), (338, 23420), (520, 15223), (676, 11710), (845, 9368), (1171, 6760), (1352, 5855), (1690, 4684), (2342, 3380)]