8143960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 12177320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 223, 332, 415, 440, 446, 664, 830, 892, 913, 1115, 1660, 1784, 1826, 2230, 2453, 3320, 3652, 4460, 4565, 4906, 7304, 8920, 9130, 9812, 12265, 18260, 18509, 19624, 24530, 36520, 37018, 49060, 74036, 92545, 98120, 148072, 185090, 203599, 370180, 407198, 740360, 814396, 1017995, 1628792, 2035990, 4071980, 8143960]

約数ペア:

[(1, 8143960), (2, 4071980), (4, 2035990), (5, 1628792), (8, 1017995), (10, 814396), (11, 740360), (20, 407198), (22, 370180), (40, 203599), (44, 185090), (55, 148072), (83, 98120), (88, 92545), (110, 74036), (166, 49060), (220, 37018), (223, 36520), (332, 24530), (415, 19624), (440, 18509), (446, 18260), (664, 12265), (830, 9812), (892, 9130), (913, 8920), (1115, 7304), (1660, 4906), (1784, 4565), (1826, 4460), (2230, 3652), (2453, 3320)]