12578080

素因数分解:

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

素因数の和:761

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 17420000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 619, 635, 1016, 1238, 1270, 2032, 2476, 2540, 3095, 4064, 4952, 5080, 6190, 9904, 10160, 12380, 19808, 20320, 24760, 49520, 78613, 99040, 157226, 314452, 393065, 628904, 786130, 1257808, 1572260, 2515616, 3144520, 6289040, 12578080]

約数ペア:

[(1, 12578080), (2, 6289040), (4, 3144520), (5, 2515616), (8, 1572260), (10, 1257808), (16, 786130), (20, 628904), (32, 393065), (40, 314452), (80, 157226), (127, 99040), (160, 78613), (254, 49520), (508, 24760), (619, 20320), (635, 19808), (1016, 12380), (1238, 10160), (1270, 9904), (2032, 6190), (2476, 5080), (2540, 4952), (3095, 4064)]