5426020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 12196800

約数和(自身を除く): 6770780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 131, 190, 218, 262, 380, 436, 524, 545, 655, 1090, 1310, 2071, 2180, 2489, 2620, 4142, 4978, 8284, 9956, 10355, 12445, 14279, 20710, 24890, 28558, 41420, 49780, 57116, 71395, 142790, 271301, 285580, 542602, 1085204, 1356505, 2713010, 5426020]

約数ペア:

[(1, 5426020), (2, 2713010), (4, 1356505), (5, 1085204), (10, 542602), (19, 285580), (20, 271301), (38, 142790), (76, 71395), (95, 57116), (109, 49780), (131, 41420), (190, 28558), (218, 24890), (262, 20710), (380, 14279), (436, 12445), (524, 10355), (545, 9956), (655, 8284), (1090, 4978), (1310, 4142), (2071, 2620), (2180, 2489)]