28020160

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1787}}^1$

素因数の和:1818

約数の個数: 84

約数和(自身を含む): 77659992

約数和(自身を除く): 49639832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1787, 1960, 2240, 3136, 3574, 3920, 7148, 7840, 8935, 12509, 14296, 15680, 17870, 25018, 28592, 35740, 50036, 57184, 62545, 71480, 87563, 100072, 114368, 125090, 142960, 175126, 200144, 250180, 285920, 350252, 400288, 437815, 500360, 571840, 700504, 800576, 875630, 1000720, 1401008, 1751260, 2001440, 2802016, 3502520, 4002880, 5604032, 7005040, 14010080, 28020160]

約数ペア:

[(1, 28020160), (2, 14010080), (4, 7005040), (5, 5604032), (7, 4002880), (8, 3502520), (10, 2802016), (14, 2001440), (16, 1751260), (20, 1401008), (28, 1000720), (32, 875630), (35, 800576), (40, 700504), (49, 571840), (56, 500360), (64, 437815), (70, 400288), (80, 350252), (98, 285920), (112, 250180), (140, 200144), (160, 175126), (196, 142960), (224, 125090), (245, 114368), (280, 100072), (320, 87563), (392, 71480), (448, 62545), (490, 57184), (560, 50036), (784, 35740), (980, 28592), (1120, 25018), (1568, 17870), (1787, 15680), (1960, 14296), (2240, 12509), (3136, 8935), (3574, 7840), (3920, 7148)]