407191520

素因数分解:

$2^5\times 5^1\times {\mathrm{571}}^1\times {\mathrm{4457}}^1$

素因数の和:5043

約数の個数: 48

約数和(自身を含む): 963890928

約数和(自身を除く): 556699408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 571, 1142, 2284, 2855, 4457, 4568, 5710, 8914, 9136, 11420, 17828, 18272, 22285, 22840, 35656, 44570, 45680, 71312, 89140, 91360, 142624, 178280, 356560, 713120, 2544947, 5089894, 10179788, 12724735, 20359576, 25449470, 40719152, 50898940, 81438304, 101797880, 203595760, 407191520]

約数ペア:

[(1, 407191520), (2, 203595760), (4, 101797880), (5, 81438304), (8, 50898940), (10, 40719152), (16, 25449470), (20, 20359576), (32, 12724735), (40, 10179788), (80, 5089894), (160, 2544947), (571, 713120), (1142, 356560), (2284, 178280), (2855, 142624), (4457, 91360), (4568, 89140), (5710, 71312), (8914, 45680), (9136, 44570), (11420, 35656), (17828, 22840), (18272, 22285)]