1665040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 4171608

約数和(自身を除く): 2506568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1601, 3202, 6404, 8005, 12808, 16010, 20813, 25616, 32020, 41626, 64040, 83252, 104065, 128080, 166504, 208130, 333008, 416260, 832520, 1665040]

約数ペア:

[(1, 1665040), (2, 832520), (4, 416260), (5, 333008), (8, 208130), (10, 166504), (13, 128080), (16, 104065), (20, 83252), (26, 64040), (40, 41626), (52, 32020), (65, 25616), (80, 20813), (104, 16010), (130, 12808), (208, 8005), (260, 6404), (520, 3202), (1040, 1601)]