158995840

素因数分解:

$2^7\times 5^1\times {\mathrm{248431}}^1$

素因数の和:248450

約数の個数: 32

約数和(自身を含む): 380100960

約数和(自身を除く): 221105120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 248431, 496862, 993724, 1242155, 1987448, 2484310, 3974896, 4968620, 7949792, 9937240, 15899584, 19874480, 31799168, 39748960, 79497920, 158995840]

約数ペア:

[(1, 158995840), (2, 79497920), (4, 39748960), (5, 31799168), (8, 19874480), (10, 15899584), (16, 9937240), (20, 7949792), (32, 4968620), (40, 3974896), (64, 2484310), (80, 1987448), (128, 1242155), (160, 993724), (320, 496862), (640, 248431)]