156623120

素因数分解:

$2^4\times 5^1\times {\mathrm{1957789}}^1$

素因数の和:1957802

約数の個数: 20

約数和(自身を含む): 364148940

約数和(自身を除く): 207525820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1957789, 3915578, 7831156, 9788945, 15662312, 19577890, 31324624, 39155780, 78311560, 156623120]

約数ペア:

[(1, 156623120), (2, 78311560), (4, 39155780), (5, 31324624), (8, 19577890), (10, 15662312), (16, 9788945), (20, 7831156), (40, 3915578), (80, 1957789)]