79996960

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13513}}^1$

素因数の和:13565

約数の個数: 48

約数和(自身を含む): 194115096

約数和(自身を除く): 114118136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13513, 27026, 54052, 67565, 108104, 135130, 216208, 270260, 432416, 499981, 540520, 999962, 1081040, 1999924, 2162080, 2499905, 3999848, 4999810, 7999696, 9999620, 15999392, 19999240, 39998480, 79996960]

約数ペア:

[(1, 79996960), (2, 39998480), (4, 19999240), (5, 15999392), (8, 9999620), (10, 7999696), (16, 4999810), (20, 3999848), (32, 2499905), (37, 2162080), (40, 1999924), (74, 1081040), (80, 999962), (148, 540520), (160, 499981), (185, 432416), (296, 270260), (370, 216208), (592, 135130), (740, 108104), (1184, 67565), (1480, 54052), (2960, 27026), (5920, 13513)]