153911920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13841}}^1$

素因数の和:13993

約数の個数: 40

約数和(自身を含む): 360445680

約数和(自身を除く): 206533760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 13841, 27682, 55364, 69205, 110728, 138410, 221456, 276820, 553640, 1107280, 1923899, 3847798, 7695596, 9619495, 15391192, 19238990, 30782384, 38477980, 76955960, 153911920]

約数ペア:

[(1, 153911920), (2, 76955960), (4, 38477980), (5, 30782384), (8, 19238990), (10, 15391192), (16, 9619495), (20, 7695596), (40, 3847798), (80, 1923899), (139, 1107280), (278, 553640), (556, 276820), (695, 221456), (1112, 138410), (1390, 110728), (2224, 69205), (2780, 55364), (5560, 27682), (11120, 13841)]