4248920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8171}}^1$

素因数の和:8195

約数の個数: 32

約数和(自身を含む): 10296720

約数和(自身を除く): 6047800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8171, 16342, 32684, 40855, 65368, 81710, 106223, 163420, 212446, 326840, 424892, 531115, 849784, 1062230, 2124460, 4248920]

約数ペア:

[(1, 4248920), (2, 2124460), (4, 1062230), (5, 849784), (8, 531115), (10, 424892), (13, 326840), (20, 212446), (26, 163420), (40, 106223), (52, 81710), (65, 65368), (104, 40855), (130, 32684), (260, 16342), (520, 8171)]