2620347920

素因数分解:

$2^4\times 5^1\times {\mathrm{3221}}^1\times {\mathrm{10169}}^1$

素因数の和:13403

約数の個数: 40

約数和(自身を含む): 6094799640

約数和(自身を除く): 3474451720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3221, 6442, 10169, 12884, 16105, 20338, 25768, 32210, 40676, 50845, 51536, 64420, 81352, 101690, 128840, 162704, 203380, 257680, 406760, 813520, 32754349, 65508698, 131017396, 163771745, 262034792, 327543490, 524069584, 655086980, 1310173960, 2620347920]

約数ペア:

[(1, 2620347920), (2, 1310173960), (4, 655086980), (5, 524069584), (8, 327543490), (10, 262034792), (16, 163771745), (20, 131017396), (40, 65508698), (80, 32754349), (3221, 813520), (6442, 406760), (10169, 257680), (12884, 203380), (16105, 162704), (20338, 128840), (25768, 101690), (32210, 81352), (40676, 64420), (50845, 51536)]