12904420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 29534400

約数和(自身を除く): 16629980

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1171, 2204, 2342, 2755, 4684, 5510, 5855, 11020, 11710, 22249, 23420, 33959, 44498, 67918, 88996, 111245, 135836, 169795, 222490, 339590, 444980, 645221, 679180, 1290442, 2580884, 3226105, 6452210, 12904420]

約数ペア:

[(1, 12904420), (2, 6452210), (4, 3226105), (5, 2580884), (10, 1290442), (19, 679180), (20, 645221), (29, 444980), (38, 339590), (58, 222490), (76, 169795), (95, 135836), (116, 111245), (145, 88996), (190, 67918), (290, 44498), (380, 33959), (551, 23420), (580, 22249), (1102, 11710), (1171, 11020), (2204, 5855), (2342, 5510), (2755, 4684)]