27912560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26839}}^1$

素因数の和:26865

約数の個数: 40

約数和(自身を含む): 69891360

約数和(自身を除く): 41978800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26839, 53678, 107356, 134195, 214712, 268390, 348907, 429424, 536780, 697814, 1073560, 1395628, 1744535, 2147120, 2791256, 3489070, 5582512, 6978140, 13956280, 27912560]

約数ペア:

[(1, 27912560), (2, 13956280), (4, 6978140), (5, 5582512), (8, 3489070), (10, 2791256), (13, 2147120), (16, 1744535), (20, 1395628), (26, 1073560), (40, 697814), (52, 536780), (65, 429424), (80, 348907), (104, 268390), (130, 214712), (208, 134195), (260, 107356), (520, 53678), (1040, 26839)]