154089680

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9679}}^1$

素因数の和:9891

約数の個数: 40

約数和(自身を含む): 360096000

約数和(自身を除く): 206006320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 9679, 15920, 19358, 38716, 48395, 77432, 96790, 154864, 193580, 387160, 774320, 1926121, 3852242, 7704484, 9630605, 15408968, 19261210, 30817936, 38522420, 77044840, 154089680]

約数ペア:

[(1, 154089680), (2, 77044840), (4, 38522420), (5, 30817936), (8, 19261210), (10, 15408968), (16, 9630605), (20, 7704484), (40, 3852242), (80, 1926121), (199, 774320), (398, 387160), (796, 193580), (995, 154864), (1592, 96790), (1990, 77432), (3184, 48395), (3980, 38716), (7960, 19358), (9679, 15920)]