87446920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8641}}^1$

素因数の和:8686

約数の個数: 64

約数和(自身を含む): 224000640

約数和(自身を除く): 136553720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 8641, 10120, 17282, 34564, 43205, 69128, 86410, 95051, 172820, 190102, 198743, 345640, 380204, 397486, 475255, 760408, 794972, 950510, 993715, 1589944, 1901020, 1987430, 2186173, 3802040, 3974860, 4372346, 7949720, 8744692, 10930865, 17489384, 21861730, 43723460, 87446920]

約数ペア:

[(1, 87446920), (2, 43723460), (4, 21861730), (5, 17489384), (8, 10930865), (10, 8744692), (11, 7949720), (20, 4372346), (22, 3974860), (23, 3802040), (40, 2186173), (44, 1987430), (46, 1901020), (55, 1589944), (88, 993715), (92, 950510), (110, 794972), (115, 760408), (184, 475255), (220, 397486), (230, 380204), (253, 345640), (440, 198743), (460, 190102), (506, 172820), (920, 95051), (1012, 86410), (1265, 69128), (2024, 43205), (2530, 34564), (5060, 17282), (8641, 10120)]