10220890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 19114704

約数和(自身を除く): 8893814

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 257, 410, 485, 514, 970, 1285, 2570, 3977, 7954, 10537, 19885, 21074, 24929, 39770, 49858, 52685, 105370, 124645, 249290, 1022089, 2044178, 5110445, 10220890]

約数ペア:

[(1, 10220890), (2, 5110445), (5, 2044178), (10, 1022089), (41, 249290), (82, 124645), (97, 105370), (194, 52685), (205, 49858), (257, 39770), (410, 24929), (485, 21074), (514, 19885), (970, 10537), (1285, 7954), (2570, 3977)]