156316840

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{10477}}^1$

素因数の和:10861

約数の個数: 32

約数和(自身を含む): 352689480

約数和(自身を除く): 196372640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 10477, 14920, 20954, 41908, 52385, 83816, 104770, 209540, 419080, 3907921, 7815842, 15631684, 19539605, 31263368, 39079210, 78158420, 156316840]

約数ペア:

[(1, 156316840), (2, 78158420), (4, 39079210), (5, 31263368), (8, 19539605), (10, 15631684), (20, 7815842), (40, 3907921), (373, 419080), (746, 209540), (1492, 104770), (1865, 83816), (2984, 52385), (3730, 41908), (7460, 20954), (10477, 14920)]