105040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 265608

約数和(自身を除く): 160568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2626, 4040, 5252, 6565, 8080, 10504, 13130, 21008, 26260, 52520, 105040]

約数ペア:

[(1, 105040), (2, 52520), (4, 26260), (5, 21008), (8, 13130), (10, 10504), (13, 8080), (16, 6565), (20, 5252), (26, 4040), (40, 2626), (52, 2020), (65, 1616), (80, 1313), (101, 1040), (104, 1010), (130, 808), (202, 520), (208, 505), (260, 404)]