88631780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{72649}}^1$

素因数の和:72719

約数の個数: 24

約数和(自身を含む): 189180600

約数和(自身を除く): 100548820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 72649, 145298, 290596, 363245, 726490, 1452980, 4431589, 8863178, 17726356, 22157945, 44315890, 88631780]

約数ペア:

[(1, 88631780), (2, 44315890), (4, 22157945), (5, 17726356), (10, 8863178), (20, 4431589), (61, 1452980), (122, 726490), (244, 363245), (305, 290596), (610, 145298), (1220, 72649)]