16501479920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5030939}}^1$

素因数の和:5030993

約数の個数: 40

約数和(自身を含む): 39301703280

約数和(自身を除く): 22800223360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5030939, 10061878, 20123756, 25154695, 40247512, 50309390, 80495024, 100618780, 201237560, 206268499, 402475120, 412536998, 825073996, 1031342495, 1650147992, 2062684990, 3300295984, 4125369980, 8250739960, 16501479920]

約数ペア:

[(1, 16501479920), (2, 8250739960), (4, 4125369980), (5, 3300295984), (8, 2062684990), (10, 1650147992), (16, 1031342495), (20, 825073996), (40, 412536998), (41, 402475120), (80, 206268499), (82, 201237560), (164, 100618780), (205, 80495024), (328, 50309390), (410, 40247512), (656, 25154695), (820, 20123756), (1640, 10061878), (3280, 5030939)]