855785440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{314627}}^1$

素因数の和:314659

約数の個数: 48

約数和(自身を含む): 2140728912

約数和(自身を除く): 1284943472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 314627, 629254, 1258508, 1573135, 2517016, 3146270, 5034032, 5348659, 6292540, 10068064, 10697318, 12585080, 21394636, 25170160, 26743295, 42789272, 50340320, 53486590, 85578544, 106973180, 171157088, 213946360, 427892720, 855785440]

約数ペア:

[(1, 855785440), (2, 427892720), (4, 213946360), (5, 171157088), (8, 106973180), (10, 85578544), (16, 53486590), (17, 50340320), (20, 42789272), (32, 26743295), (34, 25170160), (40, 21394636), (68, 12585080), (80, 10697318), (85, 10068064), (136, 6292540), (160, 5348659), (170, 5034032), (272, 3146270), (340, 2517016), (544, 1573135), (680, 1258508), (1360, 629254), (2720, 314627)]