64405810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31727}}^1$

素因数の和:31770

約数の個数: 32

約数和(自身を含む): 137064960

約数和(自身を除く): 72659150

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 31727, 63454, 158635, 222089, 317270, 444178, 920083, 1110445, 1840166, 2220890, 4600415, 6440581, 9200830, 12881162, 32202905, 64405810]

約数ペア:

[(1, 64405810), (2, 32202905), (5, 12881162), (7, 9200830), (10, 6440581), (14, 4600415), (29, 2220890), (35, 1840166), (58, 1110445), (70, 920083), (145, 444178), (203, 317270), (290, 222089), (406, 158635), (1015, 63454), (2030, 31727)]