28577560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 42339560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 607, 856, 1070, 1177, 1214, 2140, 2354, 2428, 3035, 4280, 4708, 4856, 5885, 6070, 6677, 9416, 11770, 12140, 13354, 23540, 24280, 26708, 33385, 47080, 53416, 64949, 66770, 129898, 133540, 259796, 267080, 324745, 519592, 649490, 714439, 1298980, 1428878, 2597960, 2857756, 3572195, 5715512, 7144390, 14288780, 28577560]

約数ペア:

[(1, 28577560), (2, 14288780), (4, 7144390), (5, 5715512), (8, 3572195), (10, 2857756), (11, 2597960), (20, 1428878), (22, 1298980), (40, 714439), (44, 649490), (55, 519592), (88, 324745), (107, 267080), (110, 259796), (214, 133540), (220, 129898), (428, 66770), (440, 64949), (535, 53416), (607, 47080), (856, 33385), (1070, 26708), (1177, 24280), (1214, 23540), (2140, 13354), (2354, 12140), (2428, 11770), (3035, 9416), (4280, 6677), (4708, 6070), (4856, 5885)]