3137840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 7426608

約数和(自身を除く): 4288768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 643, 976, 1220, 1286, 2440, 2572, 3215, 4880, 5144, 6430, 10288, 12860, 25720, 39223, 51440, 78446, 156892, 196115, 313784, 392230, 627568, 784460, 1568920, 3137840]

約数ペア:

[(1, 3137840), (2, 1568920), (4, 784460), (5, 627568), (8, 392230), (10, 313784), (16, 196115), (20, 156892), (40, 78446), (61, 51440), (80, 39223), (122, 25720), (244, 12860), (305, 10288), (488, 6430), (610, 5144), (643, 4880), (976, 3215), (1220, 2572), (1286, 2440)]