5420660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 13440000

約数和(自身を除く): 8019340

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, 1249, 2170, 2498, 4340, 4996, 6245, 8743, 12490, 17486, 24980, 34972, 38719, 43715, 77438, 87430, 154876, 174860, 193595, 271033, 387190, 542066, 774380, 1084132, 1355165, 2710330, 5420660]

約数ペア:

[(1, 5420660), (2, 2710330), (4, 1355165), (5, 1084132), (7, 774380), (10, 542066), (14, 387190), (20, 271033), (28, 193595), (31, 174860), (35, 154876), (62, 87430), (70, 77438), (124, 43715), (140, 38719), (155, 34972), (217, 24980), (310, 17486), (434, 12490), (620, 8743), (868, 6245), (1085, 4996), (1249, 4340), (2170, 2498)]