105220640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13421}}^1$

素因数の和:13450

約数の個数: 72

約数和(自身を含む): 289190412

約数和(自身を除く): 183969772

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 13421, 26842, 53684, 67105, 93947, 107368, 134210, 187894, 214736, 268420, 375788, 429472, 469735, 536840, 657629, 751576, 939470, 1073680, 1315258, 1503152, 1878940, 2147360, 2630516, 3006304, 3288145, 3757880, 5261032, 6576290, 7515760, 10522064, 13152580, 15031520, 21044128, 26305160, 52610320, 105220640]

約数ペア:

[(1, 105220640), (2, 52610320), (4, 26305160), (5, 21044128), (7, 15031520), (8, 13152580), (10, 10522064), (14, 7515760), (16, 6576290), (20, 5261032), (28, 3757880), (32, 3288145), (35, 3006304), (40, 2630516), (49, 2147360), (56, 1878940), (70, 1503152), (80, 1315258), (98, 1073680), (112, 939470), (140, 751576), (160, 657629), (196, 536840), (224, 469735), (245, 429472), (280, 375788), (392, 268420), (490, 214736), (560, 187894), (784, 134210), (980, 107368), (1120, 93947), (1568, 67105), (1960, 53684), (3920, 26842), (7840, 13421)]