158510140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{40231}}^1$

素因数の和:40437

約数の個数: 24

約数和(自身を含む): 334569312

約数和(自身を除く): 176059172

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 40231, 80462, 160924, 201155, 402310, 804620, 7925507, 15851014, 31702028, 39627535, 79255070, 158510140]

約数ペア:

[(1, 158510140), (2, 79255070), (4, 39627535), (5, 31702028), (10, 15851014), (20, 7925507), (197, 804620), (394, 402310), (788, 201155), (985, 160924), (1970, 80462), (3940, 40231)]