160401940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131477}}^1$

素因数の和:131547

約数の個数: 24

約数和(自身を含む): 342368712

約数和(自身を除く): 181966772

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 131477, 262954, 525908, 657385, 1314770, 2629540, 8020097, 16040194, 32080388, 40100485, 80200970, 160401940]

約数ペア:

[(1, 160401940), (2, 80200970), (4, 40100485), (5, 32080388), (10, 16040194), (20, 8020097), (61, 2629540), (122, 1314770), (244, 657385), (305, 525908), (610, 262954), (1220, 131477)]