20090535190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{78623}}^1$

素因数の和:78765

約数の個数: 64

約数和(自身を含む): 41573855232

約数和(自身を除く): 21483320042

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 101, 110, 115, 202, 230, 253, 505, 506, 1010, 1111, 1265, 2222, 2323, 2530, 4646, 5555, 11110, 11615, 23230, 25553, 51106, 78623, 127765, 157246, 255530, 393115, 786230, 864853, 1729706, 1808329, 3616658, 4324265, 7940923, 8648530, 9041645, 15881846, 18083290, 19891619, 39704615, 39783238, 79409230, 87350153, 99458095, 174700306, 182641229, 198916190, 365282458, 436750765, 873501530, 913206145, 1826412290, 2009053519, 4018107038, 10045267595, 20090535190]

約数ペア:

[(1, 20090535190), (2, 10045267595), (5, 4018107038), (10, 2009053519), (11, 1826412290), (22, 913206145), (23, 873501530), (46, 436750765), (55, 365282458), (101, 198916190), (110, 182641229), (115, 174700306), (202, 99458095), (230, 87350153), (253, 79409230), (505, 39783238), (506, 39704615), (1010, 19891619), (1111, 18083290), (1265, 15881846), (2222, 9041645), (2323, 8648530), (2530, 7940923), (4646, 4324265), (5555, 3616658), (11110, 1808329), (11615, 1729706), (23230, 864853), (25553, 786230), (51106, 393115), (78623, 255530), (127765, 157246)]