25640524

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 58317840

約数和(自身を除く): 32677316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 347, 364, 377, 406, 637, 694, 754, 812, 1274, 1388, 1421, 1508, 2429, 2548, 2639, 2842, 4511, 4858, 5278, 5684, 9022, 9716, 10063, 10556, 17003, 18044, 18473, 20126, 31577, 34006, 36946, 40252, 63154, 68012, 70441, 73892, 126308, 130819, 140882, 221039, 261638, 281764, 442078, 493087, 523276, 884156, 915733, 986174, 1831466, 1972348, 3662932, 6410131, 12820262, 25640524]

約数ペア:

[(1, 25640524), (2, 12820262), (4, 6410131), (7, 3662932), (13, 1972348), (14, 1831466), (26, 986174), (28, 915733), (29, 884156), (49, 523276), (52, 493087), (58, 442078), (91, 281764), (98, 261638), (116, 221039), (182, 140882), (196, 130819), (203, 126308), (347, 73892), (364, 70441), (377, 68012), (406, 63154), (637, 40252), (694, 36946), (754, 34006), (812, 31577), (1274, 20126), (1388, 18473), (1421, 18044), (1508, 17003), (2429, 10556), (2548, 10063), (2639, 9716), (2842, 9022), (4511, 5684), (4858, 5278)]