6886518280

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{172681}}^1$

素因数の和:173689

約数の個数: 32

約数和(自身を含む): 15510297240

約数和(自身を除く): 8623778960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 39880, 172681, 345362, 690724, 863405, 1381448, 1726810, 3453620, 6907240, 172162957, 344325914, 688651828, 860814785, 1377303656, 1721629570, 3443259140, 6886518280]

約数ペア:

[(1, 6886518280), (2, 3443259140), (4, 1721629570), (5, 1377303656), (8, 860814785), (10, 688651828), (20, 344325914), (40, 172162957), (997, 6907240), (1994, 3453620), (3988, 1726810), (4985, 1381448), (7976, 863405), (9970, 690724), (19940, 345362), (39880, 172681)]