8562820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 21224448

約数和(自身を除く): 12661628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1973, 2170, 3946, 4340, 7892, 9865, 13811, 19730, 27622, 39460, 55244, 61163, 69055, 122326, 138110, 244652, 276220, 305815, 428141, 611630, 856282, 1223260, 1712564, 2140705, 4281410, 8562820]

約数ペア:

[(1, 8562820), (2, 4281410), (4, 2140705), (5, 1712564), (7, 1223260), (10, 856282), (14, 611630), (20, 428141), (28, 305815), (31, 276220), (35, 244652), (62, 138110), (70, 122326), (124, 69055), (140, 61163), (155, 55244), (217, 39460), (310, 27622), (434, 19730), (620, 13811), (868, 9865), (1085, 7892), (1973, 4340), (2170, 3946)]