2016545980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{6329}}^1$

素因数の和:6606

約数の個数: 48

約数和(自身を含む): 4306932000

約数和(自身を除く): 2290386020

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 179, 356, 358, 445, 716, 890, 895, 1780, 1790, 3580, 6329, 12658, 15931, 25316, 31645, 31862, 63290, 63724, 79655, 126580, 159310, 318620, 563281, 1126562, 1132891, 2253124, 2265782, 2816405, 4531564, 5632810, 5664455, 11265620, 11328910, 22657820, 100827299, 201654598, 403309196, 504136495, 1008272990, 2016545980]

約数ペア:

[(1, 2016545980), (2, 1008272990), (4, 504136495), (5, 403309196), (10, 201654598), (20, 100827299), (89, 22657820), (178, 11328910), (179, 11265620), (356, 5664455), (358, 5632810), (445, 4531564), (716, 2816405), (890, 2265782), (895, 2253124), (1780, 1132891), (1790, 1126562), (3580, 563281), (6329, 318620), (12658, 159310), (15931, 126580), (25316, 79655), (31645, 63724), (31862, 63290)]