440084020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167971}}^1$

素因数の和:168111

約数の個数: 24

約数和(自身を含む): 931236768

約数和(自身を除く): 491152748

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 167971, 335942, 671884, 839855, 1679710, 3359420, 22004201, 44008402, 88016804, 110021005, 220042010, 440084020]

約数ペア:

[(1, 440084020), (2, 220042010), (4, 110021005), (5, 88016804), (10, 44008402), (20, 22004201), (131, 3359420), (262, 1679710), (524, 839855), (655, 671884), (1310, 335942), (2620, 167971)]