80020305

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10399}}^1$

素因数の和:10435

約数の個数: 40

約数和(自身を含む): 151008000

約数和(自身を除く): 70987695

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 10399, 31197, 51995, 93591, 155985, 197581, 280773, 467955, 592743, 842319, 987905, 1403865, 1778229, 2963715, 4211595, 5334687, 8891145, 16004061, 26673435, 80020305]

約数ペア:

[(1, 80020305), (3, 26673435), (5, 16004061), (9, 8891145), (15, 5334687), (19, 4211595), (27, 2963715), (45, 1778229), (57, 1403865), (81, 987905), (95, 842319), (135, 592743), (171, 467955), (285, 280773), (405, 197581), (513, 155985), (855, 93591), (1539, 51995), (2565, 31197), (7695, 10399)]