164064440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{49417}}^1$

素因数の和:49511

約数の個数: 32

約数和(自身を含む): 373600080

約数和(自身を除く): 209535640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 49417, 98834, 197668, 247085, 395336, 494170, 988340, 1976680, 4101611, 8203222, 16406444, 20508055, 32812888, 41016110, 82032220, 164064440]

約数ペア:

[(1, 164064440), (2, 82032220), (4, 41016110), (5, 32812888), (8, 20508055), (10, 16406444), (20, 8203222), (40, 4101611), (83, 1976680), (166, 988340), (332, 494170), (415, 395336), (664, 247085), (830, 197668), (1660, 98834), (3320, 49417)]