210080

素因数分解:

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

素因数の和:129

約数の個数: 48

約数和(自身を含む): 539784

約数和(自身を除く): 329704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 101, 104, 130, 160, 202, 208, 260, 404, 416, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2080, 2626, 3232, 4040, 5252, 6565, 8080, 10504, 13130, 16160, 21008, 26260, 42016, 52520, 105040, 210080]

約数ペア:

[(1, 210080), (2, 105040), (4, 52520), (5, 42016), (8, 26260), (10, 21008), (13, 16160), (16, 13130), (20, 10504), (26, 8080), (32, 6565), (40, 5252), (52, 4040), (65, 3232), (80, 2626), (101, 2080), (104, 2020), (130, 1616), (160, 1313), (202, 1040), (208, 1010), (260, 808), (404, 520), (416, 505)]