71695540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17659}}^1$

素因数の和:17704

約数の個数: 48

約数和(自身を含む): 178012800

約数和(自身を除く): 106317260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 17659, 35318, 70636, 88295, 123613, 176590, 247226, 353180, 494452, 512111, 618065, 1024222, 1236130, 2048444, 2472260, 2560555, 3584777, 5121110, 7169554, 10242220, 14339108, 17923885, 35847770, 71695540]

約数ペア:

[(1, 71695540), (2, 35847770), (4, 17923885), (5, 14339108), (7, 10242220), (10, 7169554), (14, 5121110), (20, 3584777), (28, 2560555), (29, 2472260), (35, 2048444), (58, 1236130), (70, 1024222), (116, 618065), (140, 512111), (145, 494452), (203, 353180), (290, 247226), (406, 176590), (580, 123613), (812, 88295), (1015, 70636), (2030, 35318), (4060, 17659)]