4071980

素因数分解:

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

素因数の和:326

約数の個数: 48

約数和(自身を含む): 9483264

約数和(自身を除く): 5411284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 223, 332, 415, 446, 830, 892, 913, 1115, 1660, 1826, 2230, 2453, 3652, 4460, 4565, 4906, 9130, 9812, 12265, 18260, 18509, 24530, 37018, 49060, 74036, 92545, 185090, 203599, 370180, 407198, 814396, 1017995, 2035990, 4071980]

約数ペア:

[(1, 4071980), (2, 2035990), (4, 1017995), (5, 814396), (10, 407198), (11, 370180), (20, 203599), (22, 185090), (44, 92545), (55, 74036), (83, 49060), (110, 37018), (166, 24530), (220, 18509), (223, 18260), (332, 12265), (415, 9812), (446, 9130), (830, 4906), (892, 4565), (913, 4460), (1115, 3652), (1660, 2453), (1826, 2230)]