28721782040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102577793}}^1$

素因数の和:102577811

約数の個数: 32

約数和(自身を含む): 73856011680

約数和(自身を除く): 45134229640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102577793, 205155586, 410311172, 512888965, 718044551, 820622344, 1025777930, 1436089102, 2051555860, 2872178204, 3590222755, 4103111720, 5744356408, 7180445510, 14360891020, 28721782040]

約数ペア:

[(1, 28721782040), (2, 14360891020), (4, 7180445510), (5, 5744356408), (7, 4103111720), (8, 3590222755), (10, 2872178204), (14, 2051555860), (20, 1436089102), (28, 1025777930), (35, 820622344), (40, 718044551), (56, 512888965), (70, 410311172), (140, 205155586), (280, 102577793)]