64462660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 139991040

約数和(自身を除く): 75528380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 619, 635, 820, 1238, 1270, 2476, 2540, 3095, 5207, 6190, 10414, 12380, 20828, 25379, 26035, 50758, 52070, 78613, 101516, 104140, 126895, 157226, 253790, 314452, 393065, 507580, 786130, 1572260, 3223133, 6446266, 12892532, 16115665, 32231330, 64462660]

約数ペア:

[(1, 64462660), (2, 32231330), (4, 16115665), (5, 12892532), (10, 6446266), (20, 3223133), (41, 1572260), (82, 786130), (127, 507580), (164, 393065), (205, 314452), (254, 253790), (410, 157226), (508, 126895), (619, 104140), (635, 101516), (820, 78613), (1238, 52070), (1270, 50758), (2476, 26035), (2540, 25379), (3095, 20828), (5207, 12380), (6190, 10414)]