122956360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28201}}^1$

素因数の和:28321

約数の個数: 32

約数和(自身を含む): 279199800

約数和(自身を除く): 156243440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 28201, 56402, 112804, 141005, 225608, 282010, 564020, 1128040, 3073909, 6147818, 12295636, 15369545, 24591272, 30739090, 61478180, 122956360]

約数ペア:

[(1, 122956360), (2, 61478180), (4, 30739090), (5, 24591272), (8, 15369545), (10, 12295636), (20, 6147818), (40, 3073909), (109, 1128040), (218, 564020), (436, 282010), (545, 225608), (872, 141005), (1090, 112804), (2180, 56402), (4360, 28201)]