154331120

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3929}}^1$

素因数の和:4433

約数の個数: 40

約数和(自身を含む): 359642160

約数和(自身を除く): 205311040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 3929, 4910, 7856, 7858, 9820, 15716, 19640, 19645, 31432, 39280, 39290, 62864, 78580, 157160, 314320, 1929139, 3858278, 7716556, 9645695, 15433112, 19291390, 30866224, 38582780, 77165560, 154331120]

約数ペア:

[(1, 154331120), (2, 77165560), (4, 38582780), (5, 30866224), (8, 19291390), (10, 15433112), (16, 9645695), (20, 7716556), (40, 3858278), (80, 1929139), (491, 314320), (982, 157160), (1964, 78580), (2455, 62864), (3928, 39290), (3929, 39280), (4910, 31432), (7856, 19645), (7858, 19640), (9820, 15716)]