9699689980

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{489389}}^1$

素因数の和:490389

約数の個数: 24

約数和(自身を含む): 20389944960

約数和(自身を除く): 10690254980

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 489389, 978778, 1957556, 2446945, 4893890, 9787780, 484984499, 969968998, 1939937996, 2424922495, 4849844990, 9699689980]

約数ペア:

[(1, 9699689980), (2, 4849844990), (4, 2424922495), (5, 1939937996), (10, 969968998), (20, 484984499), (991, 9787780), (1982, 4893890), (3964, 2446945), (4955, 1957556), (9910, 978778), (19820, 489389)]