164020960

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4597}}^1$

素因数の和:4835

約数の個数: 48

約数和(自身を含む): 389321856

約数和(自身を除く): 225300896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 4597, 7136, 8920, 9194, 17840, 18388, 22985, 35680, 36776, 45970, 73552, 91940, 147104, 183880, 367760, 735520, 1025131, 2050262, 4100524, 5125655, 8201048, 10251310, 16402096, 20502620, 32804192, 41005240, 82010480, 164020960]

約数ペア:

[(1, 164020960), (2, 82010480), (4, 41005240), (5, 32804192), (8, 20502620), (10, 16402096), (16, 10251310), (20, 8201048), (32, 5125655), (40, 4100524), (80, 2050262), (160, 1025131), (223, 735520), (446, 367760), (892, 183880), (1115, 147104), (1784, 91940), (2230, 73552), (3568, 45970), (4460, 36776), (4597, 35680), (7136, 22985), (8920, 18388), (9194, 17840)]