138618440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{22073}}^1$

素因数の和:22241

約数の個数: 32

約数和(自身を含む): 313892280

約数和(自身を除く): 175273840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 22073, 44146, 88292, 110365, 176584, 220730, 441460, 882920, 3465461, 6930922, 13861844, 17327305, 27723688, 34654610, 69309220, 138618440]

約数ペア:

[(1, 138618440), (2, 69309220), (4, 34654610), (5, 27723688), (8, 17327305), (10, 13861844), (20, 6930922), (40, 3465461), (157, 882920), (314, 441460), (628, 220730), (785, 176584), (1256, 110365), (1570, 88292), (3140, 44146), (6280, 22073)]