420160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:131

約数の個数: 56

約数和(自身を含む): 1088136

約数和(自身を除く): 667976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 130, 160, 202, 208, 260, 320, 404, 416, 505, 520, 808, 832, 1010, 1040, 1313, 1616, 2020, 2080, 2626, 3232, 4040, 4160, 5252, 6464, 6565, 8080, 10504, 13130, 16160, 21008, 26260, 32320, 42016, 52520, 84032, 105040, 210080, 420160]

約数ペア:

[(1, 420160), (2, 210080), (4, 105040), (5, 84032), (8, 52520), (10, 42016), (13, 32320), (16, 26260), (20, 21008), (26, 16160), (32, 13130), (40, 10504), (52, 8080), (64, 6565), (65, 6464), (80, 5252), (101, 4160), (104, 4040), (130, 3232), (160, 2626), (202, 2080), (208, 2020), (260, 1616), (320, 1313), (404, 1040), (416, 1010), (505, 832), (520, 808)]