77927980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299723}}^1$

素因数の和:299745

約数の個数: 24

約数和(自身を含む): 176237712

約数和(自身を除く): 98309732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 299723, 599446, 1198892, 1498615, 2997230, 3896399, 5994460, 7792798, 15585596, 19481995, 38963990, 77927980]

約数ペア:

[(1, 77927980), (2, 38963990), (4, 19481995), (5, 15585596), (10, 7792798), (13, 5994460), (20, 3896399), (26, 2997230), (52, 1498615), (65, 1198892), (130, 599446), (260, 299723)]