4420640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{3947}}^1$

素因数の和:3969

約数の個数: 48

約数和(自身を含む): 11938752

約数和(自身を除く): 7518112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 3947, 7894, 15788, 19735, 27629, 31576, 39470, 55258, 63152, 78940, 110516, 126304, 138145, 157880, 221032, 276290, 315760, 442064, 552580, 631520, 884128, 1105160, 2210320, 4420640]

約数ペア:

[(1, 4420640), (2, 2210320), (4, 1105160), (5, 884128), (7, 631520), (8, 552580), (10, 442064), (14, 315760), (16, 276290), (20, 221032), (28, 157880), (32, 138145), (35, 126304), (40, 110516), (56, 78940), (70, 63152), (80, 55258), (112, 39470), (140, 31576), (160, 27629), (224, 19735), (280, 15788), (560, 7894), (1120, 3947)]