29820520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20149}}^1$

素因数の和:20197

約数の個数: 32

約数和(自身を含む): 68913000

約数和(自身を除く): 39092480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20149, 40298, 80596, 100745, 161192, 201490, 402980, 745513, 805960, 1491026, 2982052, 3727565, 5964104, 7455130, 14910260, 29820520]

約数ペア:

[(1, 29820520), (2, 14910260), (4, 7455130), (5, 5964104), (8, 3727565), (10, 2982052), (20, 1491026), (37, 805960), (40, 745513), (74, 402980), (148, 201490), (185, 161192), (296, 100745), (370, 80596), (740, 40298), (1480, 20149)]