71758760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61861}}^1$

素因数の和:61901

約数の個数: 32

約数和(自身を含む): 167027400

約数和(自身を除く): 95268640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61861, 123722, 247444, 309305, 494888, 618610, 1237220, 1793969, 2474440, 3587938, 7175876, 8969845, 14351752, 17939690, 35879380, 71758760]

約数ペア:

[(1, 71758760), (2, 35879380), (4, 17939690), (5, 14351752), (8, 8969845), (10, 7175876), (20, 3587938), (29, 2474440), (40, 1793969), (58, 1237220), (116, 618610), (145, 494888), (232, 309305), (290, 247444), (580, 123722), (1160, 61861)]