8648120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16631}}^1$

素因数の和:16655

約数の個数: 32

約数和(自身を含む): 20956320

約数和(自身を除く): 12308200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16631, 33262, 66524, 83155, 133048, 166310, 216203, 332620, 432406, 665240, 864812, 1081015, 1729624, 2162030, 4324060, 8648120]

約数ペア:

[(1, 8648120), (2, 4324060), (4, 2162030), (5, 1729624), (8, 1081015), (10, 864812), (13, 665240), (20, 432406), (26, 332620), (40, 216203), (52, 166310), (65, 133048), (104, 83155), (130, 66524), (260, 33262), (520, 16631)]