260995160

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 599961600

約数和(自身を除く): 338966440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 127, 166, 254, 332, 415, 508, 619, 635, 664, 830, 1016, 1238, 1270, 1660, 2476, 2540, 3095, 3320, 4952, 5080, 6190, 10541, 12380, 21082, 24760, 42164, 51377, 52705, 78613, 84328, 102754, 105410, 157226, 205508, 210820, 256885, 314452, 393065, 411016, 421640, 513770, 628904, 786130, 1027540, 1572260, 2055080, 3144520, 6524879, 13049758, 26099516, 32624395, 52199032, 65248790, 130497580, 260995160]

約数ペア:

[(1, 260995160), (2, 130497580), (4, 65248790), (5, 52199032), (8, 32624395), (10, 26099516), (20, 13049758), (40, 6524879), (83, 3144520), (127, 2055080), (166, 1572260), (254, 1027540), (332, 786130), (415, 628904), (508, 513770), (619, 421640), (635, 411016), (664, 393065), (830, 314452), (1016, 256885), (1238, 210820), (1270, 205508), (1660, 157226), (2476, 105410), (2540, 102754), (3095, 84328), (3320, 78613), (4952, 52705), (5080, 51377), (6190, 42164), (10541, 24760), (12380, 21082)]