12892960

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1397

約数の個数: 48

約数和(自身を含む): 30982392

約数和(自身を除く): 18089432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1321, 1952, 2440, 2642, 4880, 5284, 6605, 9760, 10568, 13210, 21136, 26420, 42272, 52840, 80581, 105680, 161162, 211360, 322324, 402905, 644648, 805810, 1289296, 1611620, 2578592, 3223240, 6446480, 12892960]

約数ペア:

[(1, 12892960), (2, 6446480), (4, 3223240), (5, 2578592), (8, 1611620), (10, 1289296), (16, 805810), (20, 644648), (32, 402905), (40, 322324), (61, 211360), (80, 161162), (122, 105680), (160, 80581), (244, 52840), (305, 42272), (488, 26420), (610, 21136), (976, 13210), (1220, 10568), (1321, 9760), (1952, 6605), (2440, 5284), (2642, 4880)]